INTERPRETATION OF HE II LAMBDA4686 EMISSIONLINE IN HDE 226868 CYGNUS X1 - HACYAN, S; FIRMANI, C; DULTZIN, D; BISIACCH, GF (UNIV NACL AUTONOMA MEXICO,INST ASTRON,MEXICO CITY,MEXICO, 1974)
ASTROPHYS J
Keywords: INTERPRETATION, LAMBDA, EMISSION, LINE; ASTRONOMIA Y ASTROFISICA; COSMOLOGIA Y COSMOGONIA; ESTRELLAS