Citation:Gursky H, Dupree A K, Hartmann L W, Raymond J, Davis R J, Black J, Matilsky T A, Howarth I D, Willis A J, Wilson R, et al. The observations of the X-ray source HZ Her/Her X-1. \apj. 1980;237 :163-168.Download CitationDOI BibTex Tagged XML Date Published:apr DOI