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H 1409-45; A RECURRENT SOFT X-RAY TRANSIENTJENSEN KA; NOUSEK JA; NUGENT JJ et al.1982; ASTROPHYSICAL JOURNAL; ISSN 0004-637X; USA; DA. 1982; VOL. 261; NO 2; PART. 1; PP. 625-630; BIBL. 16 REF.Article

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ON THE LONG-TERM BEHAVIOR OF THE HZ HERCULIS HERCULES X-1 SYSTEM.ANDERSON L.1975; ASTROPHYS. J.; U.S.A.; DA. 1975; VOL. 202; NO 1 PART. 1; PP. 232-237; BIBL. 27 REF.Article

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