TY - RPRT TI - SOME GENERAL CONSIDERATIONS OF MANNED LUNAR RETURN MISSIONS AU - Eggers, A. J., Jr. AU - Hornby, H. AU - Wong, T. J. AU - Wyss, J. A. PY - 1963 UR - https://ntrs.nasa.gov/citations/19630027381 ID - 19630027381 ER -