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    Quietschgeräusche in engen Bogen

    Kopp, E. | Tema Archiv | 1993

    Positive ion composition and electron density in a combined auroral and NLC event

    Kopp, E. / Ramseyer, H. / Björn, L.G. | Elsevier | 1984

    Chemistry and Abundance of Main Thermospheric Metals

    Kopp, E. / Fritzenwallner, J. | British Library Online Contents | 1997

    Swiss Scientific Balloon and Sounding Rocket Experiments 1995-1997

    Huguenin, D. / Kopp, E. | British Library Online Contents | 1997

    A Global D- and E-Region Ion Model

    Fritzenwallner, J. / Kopp, E. | British Library Online Contents | 1997

    Swiss scientific balloon and sounding rocket experiments 1993-1995

    Kopp, E. / Huguenin, D. | British Library Online Contents | 1995

    Swiss scientific balloon and sounding rocket experiments 1991-1993

    Huguenin, D. / Kopp, E. | British Library Online Contents | 1994

    NLC-91: An experimental study of the polar summer mesosphere

    Goldberg, R.A. / Kopp, E. / Witt, G. | Elsevier | 1994

    First positive ion depletion in a noctilucent cloud and its implication on the particle size distribution

    Balsiger, F. / Kopp, E. / Friedrich, M. | British Library Online Contents | 1995

    Swiss scientific balloon and sounding rocket experiments 1991-1993

    Huguenin, D. / Kopp, E. / European Space Agency | British Library Conference Proceedings | 1994

    NLC-91: An experimental study of the polar summer mesosphere

    Goldberg, R. A. / Kopp, E. / Witt, G. | NTRS | 1994

    NLC-91

    Kopp, E. / Witt, G. / Goldberg, R. A. | NTRS | 1991

    Handheld Telephony from Geosynchronous Orbit

    Kopp, E. H. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 1998