TY - BOOK ED - Defense Mapping Agency TI - Satellite doppler positions PY - 1979/// CY - Austin PB - University of Texas KW - Geodesia KW - TopografĂ­a KW - CartografĂ­a N1 - Proceedings of the Second International Geodetic Symposium on Satellite Doppler Positioning held at the University of Texas at Austin on January 22-26, 1979 ER -