共 27 条
- [5] ACCURATE INTERFEROMETER POSITIONS OF H2O MASERS [J]. ASTROPHYSICAL JOURNAL, 1978, 221 (01) : 137 - 144
- [6] GENZEL R, 1978, ASTRON ASTROPHYS, V66, P13
- [7] GENZEL R, 1977, ASTRON ASTROPHYS, V61, P117
- [10] HANSEN SS, 1979, THESIS U MASSACHUSET