THE SPECTROSCOPIC ORBIT OF WRA-977 (= X-RAY SOURCE 4U-1223-62)

[11] MAUDER H, 1976, IAU2946 CIRC

[12] PAKULL M, 1978, IAU3317 CIRC

[13] A SPECTRAL STUDY OF WRAY-977, THE OPTICAL COUNTERPART OF THE BINARY-X-RAY PULSAR-4U-1223-62 [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1980, 191 (02) : 547 - 558

[14] ASSOCIATION OF A HIGH-LUMINOSITY B STAR WITH 3U 1223-62 [J]. ASTROPHYSICAL JOURNAL, 1973, 186 (02) : L81 - L83

[15] WATSON MG, 1982, MNRAS

[16] ZUIDERWIJK EJ, 1979, THESIS U AMSTERDAM

[11] MAUDER H, 1976, IAU2946 CIRC

[12] PAKULL M, 1978, IAU3317 CIRC

[13] A SPECTRAL STUDY OF WRAY-977, THE OPTICAL COUNTERPART OF THE BINARY-X-RAY PULSAR-4U-1223-62 [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1980, 191 (02) : 547 - 558

[14] ASSOCIATION OF A HIGH-LUMINOSITY B STAR WITH 3U 1223-62 [J]. ASTROPHYSICAL JOURNAL, 1973, 186 (02) : L81 - L83

[15] WATSON MG, 1982, MNRAS

[16] ZUIDERWIJK EJ, 1979, THESIS U AMSTERDAM