共 25 条
- [21] NISSEN PE, 1974, ASTRON ASTROPHYS, V36, P57
- [22] INTERSTELLAR ABSORPTION AND COLOR EXCESSES IN SCO OB-1 [J]. ASTRONOMICAL JOURNAL, 1971, 76 (03) : 237 - +
- [23] A SPECTROSCOPIC STUDY OF ASSOCIATION SCORPIUS OB 1 [J]. ASTROPHYSICAL JOURNAL, 1969, 156 (2P1) : 609 - +
- [25] INTERSTELLAR ABUNDANCES OF OXYGEN AND NITROGEN [J]. ASTROPHYSICAL JOURNAL, 1983, 266 (01) : L55 - L59