TY - RPRT TI - Tracking and data system support for the Mariner Mars 1971 mission. Prelaunch phase through first trajectory correction maneuver, volume 1 AU - Laeser, R. P. AU - Textor, G. P. AU - Kelly, L. B. AU - Kelly, M. PY - 1972 UR - https://ntrs.nasa.gov/citations/19720013150 ID - 19720013150 ER -