共 4 条
[1]
EPCHTEIN N, 1992, DISTRIBUTION MATTER, P382
[2]
HARMON R, 1993, SKY SURVEYS PROTOSTA, V43, P15
[3]
KLEINMANN SG, 1992, ASTR SOC P, V34, P203
[4]
Neugebauer G., 1969, NASA SP, V3047