共 75 条
[2]
BARNARD EE, 1913, PUB LICK OBS, V11
[3]
BARNARD EE, 1927, PHOTOGRAPHIC ATLAS S
[7]
BOK BJ, 1973, MOLECULES GALACTIC E
[8]
BOK BJ, 1971, DARK NEBULAE GLOBULE
[10]
CHU KW, 1974, THESIS CALIFORNIA I