Viotti, R. F.R. F.ViottiGrandi, P.P.GrandiRebecchi, S.S.Rebecchi2020-09-172020-09-172001-01-01https://hdl.handle.net/20.500.13025/66X-ray Astronomy 2000, ASP Conference Proceeding Vol. 234. Edited by Riccardo Giacconi, Salvatore Serio, and Luigi Stella. San Francisco Astronomical Society of the Pacific. ISBN 1-58381-071-4, 2001., p.107Not AvailableThe 5.52 Year Cycle of Eta Carinae BeppoSAX Detection of Variable Hard (> 10 keV) X-Ray Emissionhttp://adsabs.harvard.edu/abs/2001ASPC..234..107R2001ASPC..234..107R