TY - RPRT TI - The Mars Surveyor 2001 Lander: A First Step Toward Precision Landing AU - Braun, Robert D. AU - Powell, Richard W. AU - Cheatwood, F. McNeil AU - Spencer, David A. AU - Mase, Robert A. PY - 1998 UR - https://ntrs.nasa.gov/citations/19990019896 ID - 19990019896 ER -