Amador Astúa, J. A., Burgos Rivas, Á., Soley Alfaro, F. J., Serpas Claros, J. G., & Vargas, A. (1993). Remote sensing at the Centre for Geophysical Research, University of Costa Rica.

Amador Astúa, Jorge Alberto, Álvaro Burgos Rivas, Francisco Javier Soley Alfaro, Juan Gabriel Serpas Claros, y A. Vargas. Remote Sensing At the Centre for Geophysical Research, University of Costa Rica. 1993.

Amador Astúa, Jorge Alberto, et al. Remote Sensing At the Centre for Geophysical Research, University of Costa Rica. 1993.