共 10 条
[1]
COUDERC P, 1954, ASTR, V68, P408
[2]
FEHRENBACH C, 1945, ANN ASTROPHYS, V8, P29
[3]
GUM CS, 1953, OBSERVATORY, V73, P123
[6]
ZWICKY F, 1953, GRIFFITH OBSERVER, V17, P134
[7]
ZWICKY F, 1953, IRISH ASTR J, V2, P217
[8]
Zwicky F., 1953, PHYS TODAY, V6, P7
[9]
1955, SKY TEL, V15, P63
[10]
1955, SKY TEL, V15, P25