共 16 条
[1]
BEERS T, 1984, UNPUB
[2]
FOLTZ C, 1983, PREPRINT
[3]
Formiggini L., 1980, Astronomy & Astrophysics Supplement Series, V39, P129
[5]
KOO DC, 1983, QUASARS GRAVITATIONA, P240
[8]
LEQUEUX J, 1981, ASTRON ASTROPHYS, V103, P305