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journal:(Research)

    Polar mesosphere winter echoes – A review of recent results

    Kirkwood, S. | Elsevier | 2007

    Variations in the Electron Density and Energy Spectrum of Precipitating Electrons during Auroral Substorms by the Incoherent-Scatter Data

    Osepian, A. P. / Kirkwood, S. / Smirnova, N. V. | Springer Verlag | 2001

    A neural network-based ionospheric model for Arecibo

    Friedrich, M. / Fankhauser, M. / Oyeyemi, E. et al. | Elsevier | 2007

      A neural network-based ionospheric model for Arecibo

      Friedrich, M. | Online Contents | 2008

    A new approach to modelling the daytime lower ionosphere at auroral latitudes

    McKinnell, L.A. / Friedrich, M. / Steiner, R.J. | Elsevier | 2004

    Empirical recombination rates in the lower ionosphere

    Friedrich, M. / Torkar, K.M. / Steiner, R.J. | Elsevier | 2004

      Empirical recombination rates in the lower ionosphere

      Friedrich, M. | Online Contents | 2004

    The quiet auroral ionosphere and its neutral background

    Friedrich, M. / Harrich, M. / Steiner, R.J. et al. | Elsevier | 2003

      The quiet auroral ionosphere and its neutral background

      Friedrich, M. | Online Contents | 2004

    Results from a new auroral lower ionosphere model

    McKinnell, L.A. / Friedrich, M. | Elsevier | 2004

    Perturbations in EISCAT electron densities visualised by normalisation

    Friedrich, M. / Egger, G. / McKinnell, L.A. et al. | Elsevier | 2006

    A steady-state model for the D- to F-region of the polar cap

    Friedrich, M. / Fankhauser, M. | Elsevier | 2007

    Empirical transition heights of cluster ions

    Friedrich, M. / Torkar, K.M. | Elsevier | 1988

    Ionospheric electron heating by a rocket borne electron accelerator

    Jacobsen, T.A. / Tr∅im, J. / Maehlum, B.N. et al. | Elsevier | 1981

    Common features of plasma density profiles during NLC

    Friedrich, M. / Torkar, K.M. / Thrane, E.V. et al. | Elsevier | 1994

    Potential observations of an electron-emitting rocket payload

    Friedrich, M. / Riedler, W. / Torkar, K.M. et al. | Elsevier | 1988

    Some features of RF emissions observed by an electron emitting rocket payload

    Klos, Z. / Zbyszyński, Z. / Managadze, G.G. et al. | Elsevier | 1988

    Plasma disturbances observed in the ionosphere in the vicinity of a highly charged space vehicle

    Maehlum, B.N. / Denig, W.F. / Friedrich, M. et al. | Elsevier | 1989