共 30 条
- [1] BARNARD EE, 1927, 247 CARN I WASH PU 1
- [5] DANZIGER IJ, 1975, ASTRON ASTROPHYS, V40, P455
- [7] SURVEY OF INTERSTELLAR FORMALDEHYDE IN DUST CLOUDS [J]. ASTROPHYSICAL JOURNAL, 1973, 183 (02) : 449 - 468
- [8] DOWNES D, 1976, ASTRON ASTROPHYS, V52, P321
- [9] FORMALDEHYDE LINE EMISSION AT 4.8 GHZ NEAR NGC-7538 [J]. ASTROPHYSICAL JOURNAL, 1974, 191 (02) : L77 - L78