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    A MULTI-MODAL TRANSPORT MODEL FOR INTEGRATED PLANNING

    Friedrich, M. / World Conference on Transport Research Society | British Library Conference Proceedings | 1999

    A Novel Concept for Empirical D-Region Modelling

    Friedrich, M. / Pilgram, R. / Torkar, K. M. | British Library Conference Proceedings | 2001

    Bonus Results from Ion Probes

    Friedrich, M. / Torkar, K. / Robertson, S. et al. | British Library Conference Proceedings | 2013

    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

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

    McKinnell, L. A. / Friedrich, M. / Steiner, R. J. et al. | British Library Conference Proceedings | 2004

    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

    Independent Calibration of Radar Reflectivities Using Radiosondes: Application to ESRAD

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

    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

    Empirical recombination rates in the lower ionosphere

    Friedrich, M. / Torkar, K. M. / Steiner, R. J. et al. | British Library Conference Proceedings | 2004

    Electron Loss and Meteoric Dust in the Mesosphere

    Friedrich, M. / Rapp, M. / Blix, T. et al. | British Library Conference Proceedings | 2011

    Initial Results of a Rocket-Based Study of Gravity Wave Effects on Photoionization in the Middle Atomosphere

    Croskey, C. L. / Mitchell, J. D. / Friedrich, M. et al. | British Library Conference Proceedings | 2003

    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

    Ionospheric Constraints for Mesospheric Nitric Oxide Based on Empirical Models of the D-Region

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

    In Situ Observations of a Dying Sporadic E-Layer

    Friedrich, M. / Torkar, K. / Rapp, M. et al. | British Library Conference Proceedings | 2009

    Timetable-Based Transit Assignment Using Branch and Bound Techniques

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

    Climatology of Ozone in the Troposphere and Lower Stratosphere Over the European Arctic

    Rao, T. N. / Arvelius, J. / Kirkwood, S. et al. | British Library Conference Proceedings | 2004

    Empirical D-Region Modelling, a Progress Report

    Friedrich, M. / Torkar, K. M. / International Council of Scientific Union; Committee on Space Research | British Library Conference Proceedings | 1998

    Comparison Between an Empirical and a Theoretical Model of the D-Region

    Friedrich, M. / Torkar, K. M. / International Council of Scientific Unions; Committee on Space Research; Scientific Commission C | British Library Conference Proceedings | 1998

    First results of the polar cap ionosphere based on EISCAT Svalbard and Heiss Island rocket data

    Friedrich, M. / Egger, G. / Torkar, K. M. et al. | British Library Conference Proceedings | 2006

      First results of the polar cap ionosphere based on EISCAT Svalbard and Heiss Island rocket data

      Friedrich, M. / Egger, G. / Torkar, K. M. et al. | British Library Conference Proceedings | 2006