共 16 条
- [4] Genzel R., 1977, Astronomy and Astrophysics Supplement Series, V30, P145
- [6] HASCHICK AD, 1987, B AM ASTRON SOC, V19, P1093
- [7] 2(11)-2(12) FORMALDEHYDE EMISSION FROM DR-21(OH) [J]. ASTROPHYSICAL JOURNAL, 1984, 285 (02) : L85 - L88
- [8] LINKE RA, 1980, ASTROPHYS J, V235, P43
- [9] MAUERSBERGER R, 1985, ASTRON ASTROPHYS, V146, P168
- [10] MENTEN KM, 1986, ASTRON ASTROPHYS, V157, P318