共 11 条
[1]
CHARLES PA, 1981, IAU3570 CIRC
[2]
HUTCHINGS JB, 1981, IAU3585 CIRC
[3]
HUTCHINGS JB, 1976, IAU S, V70, P24
[6]
MURDIN P, 1981, PREPRINT
[7]
PAKULL M, 1981, PREPRINT