共 45 条
[2]
BIDELMAN WP, 1956, VISTAS ASTRONOMY, V2
[3]
BOHM KH, 1968, PLANETARY NEBULAE, P297
[4]
BRETZ MC, 1966, ABUNDANCE DETERMINAT
[6]
CAMERON AGW, 1955, APJ, V212, P144
[8]
CLIMENHAGA JL, 1960, PUB DOMINION ASTROPH, V11, P307
[9]
Cox A.N., 1965, ASTROPHYS J SUPPL S, V11, P22