共 27 条
[1]
Ardeberg A., 1972, Astronomy and Astrophysics Supplement Series, V6, P249
[3]
BALONA LA, 1973, THESIS U WITWATERSRA
[4]
Brunet J. P., 1975, Astronomy and Astrophysics Supplement Series, V21, P109
[6]
CRAMPTON D, 1975, ASTRON ASTROPHYS, V40, P317
[8]
CRAWFORD DL, 1971, DARK NEBULAE GLOBULE, P27
[9]
DACHS J, 1972, ASTRON ASTROPHYS, V18, P271