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- [4] THE BEHAVIOR OF LAMBDA-4686 LINE OF HE-II IN WOLF-RAYET BINARIES IAU SYMPOSIA, 1987, (122): : 459 - 460
- [7] ON HE-II LAMBDA-4686 EMISSION AND THE QUESTION OF REDDENING IN QUASARS AND SEYFERT-GALAXIES ASTROPHYSICAL JOURNAL, 1981, 251 (02): : 465 - 470
- [8] BROADENING OF HE-II LINE LAMBDA=4686 A IN A PLASMA ZEITSCHRIFT FUR NATURFORSCHUNG PART A-ASTROPHYSIK PHYSIK UND PHYSIKALISCHE CHEMIE, 1970, A 25 (07): : 1151 - &
- [9] THE HE-II LAMBDA-4686 AND H-ALPHA EMISSION-LINES OF CYGNUS X-1 ASTROPHYSICAL JOURNAL, 1987, 321 (01): : 438 - 446
- [10] SPECTROSCOPIC OBSERVATIONS OF O-TYPE STARS .5. HYDROGEN LINES AND LAMBDA-4686 HE-II ASTROPHYSICAL JOURNAL, 1974, 193 (01): : 113 - 124