共 11 条
[2]
HARTMANN W, IN PRESS
[4]
HARTMANN WK, 1968, COMMUN LUNAR PLANET, V7, P145
[6]
KUIPER GP, 1966, JPL32800 TECH REP 2, P35
[7]
OPIK EJ, 1966, ADV ASTRON ASTROPHYS, V4, P301
[9]
UREY HC, 1952, PLANETS
[10]
WOOD C, IN PRESS