共 19 条
[1]
[Anonymous], 1955, JRASC
[2]
CAPEN CF, 1957, SKY TELESCOPE, V16, P173
[5]
HAWKINS GS, 1957, SKY TELESCOPE, V16, P168
[7]
MCCROSKY RE, 1955, THESIS HARVARD U
[10]
MILLMAN PM, 1953, JRAS CANADA, V47, P217