共 14 条
- [11] SWANK JH, 1977, B AM PHYS SOC, V22, P588
- [12] LONG-TERM OBSERVATIONS OF CYGNUS X-2 FROM OSO-7 [J]. ASTROPHYSICAL JOURNAL, 1974, 189 (02) : 339 - 341
- [13] X-RAY AND RADIO OBSERVATIONS OF GX 17+2 AND GX 13+1 [J]. ASTROPHYSICAL JOURNAL, 1978, 220 (02) : 600 - 605
- [14] WORRALL DM, 1978, B AAS, V10, P515