Bruyninx C., Legrand J., Altamimi Z., Becker M., Craymer M., Combrinck L., Combrink A., Dawson J., Dietrich R., Fernandes R., Govind R., Griffiths J, Herring T., Kenyeres A., King R., Kreemer C., Lavallée D., Sánchez L., Sella G., Shen Z., Santamaría-Gómez A., Wöppelmann G.: IAG WG SC1.3 on Regional Dense Velocity Fields: First Results and Steps Ahead. In: Altamimi Z. and Collilieux X. (Eds.): Reference Frames for Applications in Geosciences, IAG Symposia 138:137-145, DOI:10.1007/978-3-642-32998-2_22, 2013

Sánchez L.: Towards a vertical datum standardisation under the umbrella of Global Geodetic Observing System. Journal of Geodetic Science, 2(4): 325-342, DOI:10.2478/v10156-012-0002-x, 2013

Sánchez L., Seemüller W., Drewes H., Mateo L., González G., Silva A., Pampillón J., Martinez W., Cioce V., Cisneros D., Cimbaro S.: Long-Term Stability of the SIRGAS Reference Frame and Episodic Station Movements Caused by the Seismic Activity in the SIRGAS Region. In: Altamimi Z. and Collilieux X. (Eds.): Reference Frames for Applications in Geosciences, IAG Symposia 138: 153-161, DOI:10.1007/978-3-642-32998-2_24, 2013

Brunini C., Sánchez L., Drewes H., Costa S.M.A., Mackern V., Martinez W., Seemüller W., da Silva: Improved Analysis Strategy and Accessibility of the SIRGAS Reference Frame. Kenyon S., M.C. Pacino, U. Marti (Eds.), "Geodesy for Planet Earth", IAG Symposia, 136: 3-10, DOI:10.1007/978-3-642-20338-1_1, 2012

Brunini C., Sánchez L.: Geodetic activities in Latin America and The Caribbean: always IN. Coordinates, Vol. VIII, Issue 6, 14-21, June. ISSN 0973-2136, 2012

Bruyninx C., Altamimi Z., Becker M., Craymer M., Combrinck L., Combrink A., Dawson J., Dietrich R., Fernandes R., Govind R., Herring T., Kenyeres A., King R., Kreemer C., Lavallée D., Legrand J., Sánchez L., Sella G., Shen Z., Santamaría-Gómez A., Wöppelmann G.: A Dense Global Velocity Field Based on GNSS Observations: Preliminary Results. In: Kenyon S., M.C. Pacino, U. Marti (Eds.), "Geodesy for Planet Earth", IAG Symposia, 136: 19-26, DOI: 10.1007/978-3-642-20338-1_3, 2012

Sánchez L., Seemüller W., Seitz M.: Combination of the Weekly Solutions Delivered by the SIRGAS Processing Centres for the SIRGAS-CON Reference Frame. In: Kenyon S., M.C. Pacino, U. Marti (Eds.), "Geodesy for Planet Earth", IAG Symposia, 136: 845-851, DOI:10.1007/978-3-642-20338-1_106, 2012

Sánchez L.: IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). Report of activities 2011. In: Meindl, M., R. Dach, Y. Jean (Eds.), International GNSS Service, Technical Report 2011; Astronomical Institute, University of Bern, p. 107-115. Available at ftp://igs.org/pub/resource/pubs/2011_techreport.pdf., 2012

Seemüller W., Seitz M., Sánchez L., Drewes H.: The new Multi-year Position and Velocity Solution SIR09P01 of the IGS Regional Network Associate Analysis Centre (IGS RNAAC SIR). Kenyon S., M.C. Pacino, U. Marti (Eds.), "Geodesy for Planet Earth", IAG Symposia, 136: 877-883, DOI:10.1007/978-3-642-20338-1_110, 2012

Drewes H., Sánchez L., Brunini C., Mackern V.: Como mitigar el impacto de eventos sísmicos en los marcos de referencia?. Reunión SIRGAS, Heredia, Costa Rica, 2011

Sánchez L., Seitz M.: Recent activities of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). DGFI Report No. 87., 2011

Sánchez L., Brunini C., Mackern V., Martinez W., Luz R.: SIRGAS: the geocentric reference frame of the Americas.. In: Proceedings of the International Symposium on Global Navigation Satellite Systems, Space-Based and Ground-Based Augmentation Systems and Applications 2010. Brussels, Belgium. November 29-30, 2010. Berlin Senate Department for Urban Development. P. 21-25., 2011

Sánchez L., Seitz M., Drewes H.: Cinemática del marco de referencia SIRGAS. Reunión SIRGAS, Heredia, Costa Rica, 2011

Angermann D., Bloßfeld M., Bosch W., Gerstl M., Heinkelmann R., Kelm R., Müller H., Sánchez L., Seemüller W., Seitz M.: DGFI-Beteiligung an den wissenschaftlichen Diensten der IAG. Zeitschrift für Vermessungswesen, 135, Heft 2, 2010

Bouman J., Bosch W., Goebel G., Müller H., Sánchez L., Schmidt M., Sebera J.: Das Schwerefeld der Erde - Messen, Darstellen und Auswerten. Zeitschrift für Vermessungswesen, 135, Heft 2, 2010

Drewes H., Brunini C., Sánchez L., Mackern V., Martinez W.: Uso de las coordenadas SIRGAS en los marcos nacionales de referencia. http://www.sirgas.org/fileadmin/docs/Boletines/Bol15/05_Drewes_et_al_Uso_de_SIRGAS_en_marcos_naionales.pdf, 2010

Figueroa C., Amaya W., Sánchez L.: Integración de la Red Geodésica Básica Nacional de El Salvador a SIRGAS (SIRGAS-ES2007). Revista Cartográfica del Instituto Panamericano de Geografía e Historia (IPGH), No. 86. 26-39 p. México D.F., México, 2010

Sánchez L., Seemüller W., Seitz M., Forberg B., Leismüller F., Arenz H.: SIRGAS: das Bezugssystem für Lateinamerika und die Karibik. Zeitschrift für Vermessungswesen, 135, Heft 2, 2010

Sánchez L., Seemüller W.: Report of the SIRGAS Analysis Centre at DGFI. SIRGAS 2010 General Meeting. www.sirgas.org, 2010

Sánchez L., Drewes H.: Wie sich die Alpen bewegen. Akademie Aktuell. Bayerische Akademie der Wissenschaften. Heft 3, Aufgabe 34: 71-72. Munich, 2010

Seemüller W., Arenz H., Bosch W., Hornik H., Leismüller F., Müller H., Sánchez L., Schwatke C.: Informationstechnologien und Kommunikation am DGFI. Zeitschrift für Vermessungswesen, 135, Heft 2, 2010

Seemüller W., Sánchez L., Seitz M., Drewes H.: The position and velocity solution of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). DGFI Report No. 86, 2010

Martinez W., Sánchez L.: Realization of the SIRGAS Reference Frame in Colombia. In: Drewes H. (Ed.): Geodetic Reference Systems, Springer, IAG Symposia; Vol. 134: 185-190, 2009

Sánchez L., L. , Brunini , C. : Achievements and Challenges of SIRGAS. In: Drewes H. (Ed.): Geodetic Reference Systems, Springer, IAG Symposia; Vol. 134: 161-166., 2009

Sánchez L., L. , Brunini , C. : SIRGAS: Basis for geosciences, geodata and navigation in Latin America.. Proceedings of the International Symposium on Global Navigation Satellite Systems, Space-based and Ground-based Augmentation Systems and Applications. Berlin, 11-14 November. Berlin Senate Department for Urban Development. P. 37 - 39., 2009

Sánchez L.: Strategy to Establish a Global Vertical Reference System. In: Drewes H. (Ed.): Geodetic Reference Systems, Springer, IAG Symposia; Vol. 134:273-278., 2009

Sánchez L., L. , Bosch , W. : The Role of the TIGA Project in the Unification of Classical Height Systems. In: Drewes H. (Ed.): Geodetic Reference Systems, Springer, IAG Symposia; Vol. 134:285-290, 2009

Sánchez L., L. , Seemüller , W. , Seitz , M. : SIRGAS Combination Centre at DGFI: Report for the SIRGAS 2009 General Meeting.. SIRGAS Newsletter 14, http://www.sirgas.org/fileadmin/docs/Boletines/Bol14/, 2009

Seemüller W., Sánchez L.: SIRGAS Processing Centre at DGFI: Report for the SIRGAS 2009 General Meeting.. SIRGAS Newsletter 14, http://www.sirgas.org/fileadmin/docs/Boletines/Bol14/, 2009

Brunini C., Sánchez L.: SIRGAS: Reporte 2007-2008. SIRGAS Newsletter No. 13, www.sirgas.org/fileadmin/docs/Boletines/Boletin_SIRGAS_N0._13__Reporte_2007_-_2008_.pdf, 2008

Sánchez L.: Approach for the establishment of a global vertical reference level. V. 132: 119-124, IAG Symposia, Springer, Berlin, Heidelberg, 2008

Sánchez L., Seemüller W., Seitz , M. : Comparison and combination of the weekly solutions delivered by the SIRGAS Experimental Processing Centres. No. 80, 77p., DGFI Report, DGFI, Munich, 2008

Sánchez L.: Definition and Realization of the SIRGAS Vertical Reference System within a Globally Unified Height System. V. 130: 638-645, IAG Symposia, Springer, Berlin, Heidelberg, 2007

Sánchez L.: Realización del nivel de referencia vertical para SIRGAS dentro de una definición global. V. 37: 18-25, Reista Analisis Geograficos, IGAC, Bogota, 2007

Sánchez L.: Definition and Realization of the SIRGAS Vertical Reference System within a Globally Unified Height System. IAG Symposia, (130) 638-645, Springer Verlag, Berlin, Heidelberg, 2007

Schmidt M., Fengler M., Mayer-Gürr T., Eicker A., Kusche J., Sánchez L., Han S.C.: Regional Gravity Modelling in Terms of Spherical Base Functions. J Geod, 81, 17-38, DOI:10.1007/s00190-006-0101-5, 2007

Fortes L.P., Lauria E., Brunini C., Hernandez A., Sánchez L., Drewes H., Seemüller W.: Current status and future developments of the SIRGAS project. Wiss.Arb.Fachr.Verm., Univ. Hannover, Nr. 258, 59-70, 2006

Schmidt M., Han S.-C., Kusche J., Sánchez L., Shum C.K.: Regional high-resolution spatio-temporal gravity modeling from GRACE data using spherical wavelets. Geophys. Res. Lett., 33, L08403, DOI:10.1029/2005GL025509, 2006

Fortes L.P., Lauria E., Brunini C., Hernandez A., Sánchez L., Drewes H., Seemüller W.: El proyecto internacional SIRGAS: estado actual y objetivos futuros. United Nations Document E/CONF.96/I.P.16, New York, USA, 2005

Ihde J., Sánchez L.: A unified global height reference system as a basis for IGGOS. Journal of Geodynamics; Vol. 40:400-413, 2005

Drewes H., Sánchez L., Blitzkow D., de Freitas: Scientific foundations of the SIRGAS vertical reference system. In: Drewes, H., A. Dodson, L.P. Fortes, L. Sánchez, P. Sandoval (Eds.):Vertical Reference Systems. IAG Symposia, Vol. 124, 297-301, Springer, 2002

Drewes H., Dodson A., Fortes L.P., Sánchez L., Sandoval P.: Vertical Reference Systems. IAG Symposia, Vol. 124, 352 pp, Springer, 2002

Hernandez J.N., Blitzkow D., Luz R., Sánchez L., Sandoval P., Drewes H.: Connection of the vertical control networks of Venezuela, Brazil and Colombia. In: Drewes, H., A. Dodson, L.P.Fortes, L. Sánchez, P. Sandoval (Eds.): Vertical Reference Systems. IAG Symposia, Vol. 124, 324-327, Springer, 2002

Kaniuth K., Häfele P., Sánchez L.: Subsidence of the permanent GPS station Bogotá.. In: Drewes, H., A. Dodson, L.P. Fortes, L. Sánchez, P. Sandoval (Eds.): Vertical Reference Systems. IAG Symposia, Vol. 124, 56-59, Springer, 2002

Sánchez L., Drewes H.: International Symposium on Vertical Reference Systems. Cartagena, Colombia, 20-23 February 2001. Journal of Geodesy (75) 679-680, 2001

Brunini C., Sánchez L.: Reporte anual de las actividades SIRGAS. SIRGAS General Meeting 2013, Concepcion, Chile, 2012-10-29

Sánchez L.: Towards a Vertical Datum Standardisation. AOGS-AGU (WPGM) Joint Assembly, Singapore, 2012-08-14

Sánchez L., Cimbaro S., Cioce V., Echalar A.,González, Martínez W., da Silva: Improvement of the IGS station coverage in Latin America. IGS Workshop 2012, Olsztyn, Poland, 2012-07-23/27 (Poster)

Sánchez L.: Towards a vertical datum standardisation based on a joint analysis of TIGA, satellite altimetry and gravity field modelling products. IGS Workshop 2012, Olsztyn, Poland, 2012-07-23/27 (Poster)

Sánchez L.: Report on the activities of the Working Group Vertical Datum Standardisation. GGHS 2012, Venice, Italy, 2012-10-09

Sánchez L.: Report on the activities of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). SIRGAS General Meeting 2013, Concepcion, Chile, 2012-10-29

Sánchez L.: Consecuencias de las recomendaciones surgidas del IGS Workshop 2012 en el marco de referencia SIRGAS. SIRGAS General Meeting 2013, Concepcion, Chile, 2012-10-29

Sánchez L.: Towards a global vertical datum standardisation. SIRGAS General Meeting 2013, Concepcion, Chile, 2012-10-31

Sánchez L.: Lecture on Precise GNSS Processing and training curse on the Bernese GPS Software. Heredia, Costa Rica, 2012-12-03/12

Brunini C., Sánchez L., Mackern V., Martínez W, , Luz R.: SIRGAS: Basis for Geosciences, Geodata, and Navigation in Latin America. Latin American Geospatial Forum, Rio de Janeiro, Brazil, 2011-08-19

Drewes H., Barrientos S., Sánchez L., Maturana R.: The Maule earthquake in Chile, February 27, 2010. IUGG XXV General Assembly, Melbourne, Australia, 2011-06-30 (Poster)

Drewes H., Sánchez L.: Recent aseismic, co-seismic and post-seismic deformations in the pacific orogenic zone of Latin America. IUGG General Assembly, Melbourne, Australia, JG06, 2011-07-02

Drewes H., Barrientos S., Sánchez L., Maturana R.: The Maule earthquake in Chile, February 27, 2010. IUGG General Assembly, Melbourne, Australia, 2011-07-04 (Poster)

Drewes H., Sánchez L., Brunini C., Mackern V.: Cómo mitigar el impacto de eventos sísmicos en los marcos de referencia?. Reunión SIRGAS, Heredia, Costa Rica, 2011-08-08/10

Sánchez L., Brunini C., Mackern V., Martinez W, , Luz R.: Status and new perspectives of the SIRGAS Reference Frame. IUGG XXV General Assembly, Melbourne, Australia , 2011-06-30

Sánchez L., Seitz M.: Actividades recientes del Centro Regional de Análisis Asociado del IGS para SIRGAS (IGS RNAAC SIR). SIRGAS 2011 General Meeting, San José, Costa Rica, 2011-08-09

Sánchez L., Luz R.: Requerimientos para la unificación de los sistemas de alturas existentes en la Región SIRGAS. SIRGAS 2011 General Meeting, San José Costa Rica, 2011-08-08

Sánchez L., Seitz M., Drewes H.: Cinemática del marco de referencia SIRGAS. SIRGAS 2011 General Meeting, San José, Costa Rica, 2011-08-09

Sánchez L., Brunini C.: Geoinformation and Navigation supported by the Geocentric Reference System for the Americas. International Symposium on Global Navigation Satellite Systems, Space-Based and Ground-Based Augmentation Systems and Applications Berlin, Germany, 2011-10-10

Sánchez L.: SIRGAS: marco de referencia para las Américas (Lecture). Curso en sistemas de referencia, Instituto Geográfico Militar, Santiago de Chile, Chile, 2011-09-30

Sánchez L.: Tipos de alturas, superficies de referencia y unificación de datums verticales (Lecture). Curso en sistemas de referencia, Instituto Geográfico Militar, Santiago de Chile, Chile, 2011-09-29

Sánchez L.: Procesamiento preciso de mediciones GNSS (Lecture). Curso en sistemas de referencia, Instituto Geográfico Militar, Santiago de Chile, Chile, 2011-09-26/28

Sánchez L.: Sistemas verticales de referencia (Lecture). Third IAG-PAIGH-SIRGAS school on reference systems, San José, Costa Rica, 2011-08-05

Sánchez L., Cioce V.: Sistema de Referencia para las Américas - SIRGAS (Lecture). Curso avanzado en posicionamiento GNSS, Universidad Politécnica de Madrid, Spain, 2011-10-12

Sánchez L.: The role of TIGA in the vertical datum standardization. Twelfth Session of the GLOSS Group of Experts, Paris, France, 2011-11-08

Sánchez L.: Training course on GNSS analysis for the installation of a SIRGAS Processing Centre in Chile. Instituto Geográfico Militar, Santiago de Chile, Chile, 2011-09-26/10-07

Sánchez L.: Physical height systems in South America. STSE-GOCE+Height System Unification Progress Meeting 2, Frankfurt am Main, Germany, 2011-12-14/15