共 20 条
- [1] Abell G. O., 1958, ASTROPHYS J SUPPL S, V3, P211
- [2] DAY GA, 1966, AUST J PHYS, V19, P35
- [3] Elsmore B., 1961, OBSERVATORY, V81, P14
- [4] HEIDMANN J, 1965, ANN ASTROPHYS, V28, P380
- [5] LONGAIR MS, IN PRESS
- [6] MALTBY P, 1962, AP J S
- [8] MCVITTIE GC, 1962, PROBLEMS EXTRAGAL ED, P269
- [9] MILLS BY, 1960, AUST J PHYS, V13, P550