Spenner, K.K.SpennerDobe, Z.Z.DobeNagy, A.F.A.F.NagyKnudsen, W.C.W.C.KnudsenLotze, W.W.Lotze2022-03-032022-03-031997https://publica.fraunhofer.de/handle/publica/19101910.1029/96JA033412-s2.0-37149009589en621551Photoelectron fluxes in the Venus dayside ionospherejournal article