共 22 条
- [1] ALLEN CW, 1963, ASTROPHYSICAL QUANTI, P201
- [4] Freeman K. C., 1977, Proceedings of the Astronomical Society of Australia, V3, P136
- [6] AGE AND CHEMICAL COMPOSITION OF LMC CLUSTER NGC 2209 [J]. ASTROPHYSICAL JOURNAL, 1976, 209 (01) : L25 - L28