共 9 条
- [2] BOLTON JG, 1966, AUST J PHYS, V19, P713
- [5] NILSON P, 1974, 5 UPPS ASTR OBS REP
- [6] ROBERTS MS, 1977, PREPRINT
- [8] Spitzer L, 1968, DIFFUSE MATTER SPACE
- [9] NEUTRAL HYDROGEN AT 2 HOLMBERG RADII FROM M33 [J]. ASTROPHYSICAL JOURNAL, 1973, 179 (02) : 453 - 460