共 50 条
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- [39] THE ANOMALOUS X-RAY ABSORPTION-SPECTRUM OF VELA X-1 ASTROPHYSICAL JOURNAL, 1982, 261 (01): : L35 - L39
- [40] X-RAY ABSORPTION EVENTS IN CYGNUS X-1 OBSERVED WITH COPERNICUS ASTROPHYSICAL JOURNAL, 1974, 192 (02): : L65 - L69