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    Typical Behaviour of the High Latitude Lower Ionosphere

    Friedrich, M. / Torkar, K. M. / Committee on Space Research; Scientific Commission C | British Library Conference Proceedings | 1995

    Towards neural network based models for the ionospheric D-region

    McKinnell, L.-A. / Friedrich, M. / European Space Agency et al. | British Library Conference Proceedings | 2003

    Timetable-Based Transit Assignment Using Branch and Bound Techniques

    Friedrich, M. / Hofsaess, I. / Wekeck, S. et al. | British Library Conference Proceedings | 2001

    Thin Ion Layers in the High-latitude Lower Ionosphere

    Kirkwood, S. / COSPAR; Scientific Commission C | British Library Conference Proceedings | 1997

    The DROPPS Program to Study the Polar Summer Mesosphere

    Goldberg, R. A. / Plaff, R. F. / Holzworth, R. H. et al. | British Library Conference Proceedings | 2001

    The D-Region Background at High Latitudes

    Friedrich, M. / Kirkwood, S. / International Council of Scientific Unions; Committee on Space Research; Scientific Commission C | British Library Conference Proceedings | 1999

    The Charge Balance in the Presence of Meteoric Smoke in the Upper Mesosphere under Winter Conditions - Preliminary Results

    Hoppe, U.-P. / Friedrich, M. / Blix, T.A. et al. | British Library Conference Proceedings | 2011

    The Anomalous Winter Ion Layer - A Mystery Waiting for a Sounding Rocket

    Kirkwood, S. / European Space Agency; Programme Advisory Committee on the Special Project concerning the Launching of Sounding Rockets | British Library Conference Proceedings | 1997

    Temperature Variations Seen by High Resolution Radiosondes as Signs of Turbulence, Comparison with ESRAD

    Mihalikova, M. / Kirkwood, S. / Mikhaylova, D. et al. | British Library Conference Proceedings | 2011

    RIPAN: A Remotely Controlled Aircraft Project for Troposphere/Stratosphere Research

    Chilson, P. / Johansson, P. / Johnsson, M. et al et al. | British Library Conference Proceedings | 1999

    Results from a new auroral lower ionosphere model

    McKinnell, L. A. / Friedrich, M. / COSPAR | British Library Conference Proceedings | 2006

      Results from a new auroral lower ionosphere model

      McKinnell, L. A. / Friedrich, M. / COSPAR | British Library Conference Proceedings | 2006

    Propagation of Electromagnetic Waves in the Lower Ionosphere of Titan

    Schwingenschuh, K. / Molina-Cuberos, G. J. / Eichelberger, H. U. et al. | British Library Conference Proceedings | 2001

    Polar mesosphere winter echoes during MaCWAVE

    Kirkwood, S. / Belova, E. / Dalin, P. et al. | British Library Conference Proceedings | 2003

    Polar Mesocyclones and their Extension to the UTLS - A Case Study Using ESRAD, Odin and MaCWAVE Radiosondes

    Kirkwood, S. / European Space Agency | British Library Conference Proceedings | 2007

    Observation of mesosphere summer echoes with calibrated VHF radars at latitudes between 54^oN and 69^oN in summer 2004

    Latteck, R. / Singer, W. / Kirkwood, S. et al. | British Library Conference Proceedings | 2005

    NITTANYSAT - A Student Satellite Mission for D-Region Study and Calibration of Riometers

    Friedrich, M. / European Space Agency | British Library Conference Proceedings | 2007

    Multi-Radar Observations of Polar Mesosphere Summer Echoes During the PHOCUS Campaign on 21 July 2011

    Belova, E. / Kirkwood, S. / Zecha, M. et al. | British Library Conference Proceedings | 2013

    MST Radar Study of Lee Waves during Winter 1996/97, 1997/98 and 1998/99 in Northern Scandinavia

    Stebel, K. / Kirkwood, S. / European Space Agency; Programme Advisory Committee on the Special Project concerning the Launching of Sounding Rockets | British Library Conference Proceedings | 1999

    MST-Radar Lee Wave Observations during Winter 1996/97 in Northern Scandinavia

    Stebel, K. / Chilson, P. / Barabash, et al. et al. | British Library Conference Proceedings | 1997