共 10 条
- [1] BOIARCHUK AA, 1958, ASTR J USSR, V35, P804
- [2] HUANG SS, 1954, ANN ASTROPHYS, V17, P85
- [4] STRUVE O, 1951, ASTROPHYSICS, P86
- [5] Struve O., 1945, POP ASTRON, V53, P201
- [6] VANDIEN E, 1948, JRAS CANADA, V42, P249
- [7] Walker M. F., 1956, AP J SUPPL, V2, P365
- [8] STUDIES OF EXTREMELY YOUNG CLUSTERS .2. NGC-6530 [J]. ASTROPHYSICAL JOURNAL, 1957, 125 (03) : 636 - &
- [9] [No title captured]
- [10] [No title captured]