The Einstein (HEAO-2) X-ray observatory consortium observing program October 1979-April 1981
By: prepared by the HEAO-2 consortium institutions, Harvard-Smithsonian Center for Astrophysics ... [et al.] ; principal investigator, Riccardo Giacconi.
Edition: [1978 ed.?]. --
Series: CFA/HEA -- 79-285
Publisher: s.n.,]
Published: 1979
Place of publication: [S.l
Language: eng