Murayama, Y.; Igarashi, K.; Nishimuta, I.; Yamazaki, R.; Oyama, K.-I.; Tsuda, T.; Nakamura, T.; Fukao, S.; Widdel, H.-U.; Schlegel, K.: Wind observations in the MLT region over southern Japan, by using foil chaff technique, Yamagawa MF radar and the MU radar. Advances in Space Research 24, pp. 575 - 578 (1999)
Lübken, F.-J.; Hillert, W.; Lehmacher, G.; von Zahn, U.; Blix, T. A.; Thrane, E. V.; Widdel, H.-U.; Kokin, G. A.; Knyazev, A. K.: Morphology and sources of turbulence in the mesosphere during DYANA. Journal of Atmospheric and Terrestrial Physics 56, pp. 1809 - 1833 (1994)
Widdel, H.-U.; Bittner, M.; Hoppe, U.-P.: Vertical velocities measured at Biscarrosse (44°N) and by EISCAT at Tromsø (69.6°N) during the DYANA campaign. Journal of Atmospheric and Terrestrial Physics 56, pp. 1779 - 1796 (1994)
Lübken, F. J.; von Zahn, U.; Manson, A.; Rüster, R.; Schmidt, G.; Widdel, H. U.: Mean state densities, temperatures and winds during the MAC/SINE and MAC/EPSILON campaign. Journal of Atmospheric and Terrestrial Physics 52, pp. 955 - 970 (1990)
Meyer, W.; Philbrick, C. R.; Röttger, J.; Rüster, R.; Widdel, H. U.; Schmidlin, F. J.: Mean winds in the winter middle atmosphere above northern Scandinavia. Journal of Atmospheric and Terrestrial Physics 49, pp. 675 - 687 (1987)
Meyer, W.; Philbrick, C. R.; Röttger, J.; Rüster, R.; Widdel, H.-U.; Schmidlin, F. J.: Mean state of winds in the winter middle atmosphere above northern Scandinavia. Journal of Atmospheric and Terrestrial Physics 49, pp. 675 - 687 (1987)
Thrane, E. V.; Blix, T. A.; Hall, C.; Hansen, T. L.; von Zahn, U.; Meyer, W.; Czechowsky, P.; Schmidt, G.; Widdel, H.-U.; Neumann, A.: Small Scale Structure and Turbulence in the Mesosphere and Lower Thermosphere at High Latitudes in Winter. Journal of Atmospheric and Terrestrial Physics 49, pp. 751 - 762 (1987)
Widdel, H. U.; Rose, G.; Borchers, R.: Results of conductivity, ion mobility and ion concentration measurements obtained with a parachutet Gerdien aspiration analyses probe in heights below 70 km. Journal of Atmospheric and Terrestrial Physics 41, pp. 1141 - 1147 (1979)
Schlegel, K.; Rose, G.; Widdel, H. U.: Interplanetary magnetic field polarity changes and D-region radio waves absorption. Journal of Atmospheric and Terrestrial Physics 39, pp. 101 - 103 (1977)
Widdel, H. U.; Rose, G.; Borchers, R.: Payload BIII - an instrument package for the measurement of conductivity, concentration an mobility of positive and negative ions in the meosphere. J. Geophys. 44, pp. 179 - 188 (1977)
Widdel, H. U.; Rose, G.; Borchers, R.: Experimental results on the variation of electric conductivity an ion mobility in the mesosphere. Journal Geophysical Research 81, pp. 6217 - 6220 (1976)
Borchers, R.; Rose, G.; Widdel, H. U.: Ergebnisse von Ionendichte- und Ionenbeweglichkeitsmessungen mit einer Fallschirmsonde im Höhenbereich von 72 bis 39 km. Kleinheubacher Berichte 14, pp. 255 - 262 (1971)
Rose, G.; Widdel, H. U.; Borchers, R.: A mesosphere payload to measure the concentration and mobility of positive and negative ions in the height range between 72 and 40 km. J. Brit. Interpl. Soc. 24, pp. 215 - 231 (1971)
Widdel, H. U.; Rose, G.; Borchers, R.: Results of concentration and mobility measurements of positively and negatively charged particles taken by a rocket-borne parachutet aspiration (Gerdien) probe in the height region from 72 to 39 km. Pageoph 84, pp. 154 - 160 (1971)
Widdel, H. U.; Rose, G.; Borchers, R.: Results of conductivity, ion mobility and ion concentration measurements taken with a parachute Gerdien Kondensor experiment during the winter anomaly campaign. In: COSPAR Space Res., pp. 125 - 127 (Eds. Rycroft, M. J.; Stickland, A. C.). Pergamon Press Oxford (1978)
Murayama, Y.; Igarashi, K.; Nishimuta, I.; Oyama, K.-I.; Tsuda, T.; Nakamura, T.; Namoothiri, S. P.; Fukao, S.; Widdel, H.-U.; Schlegel, K.: Cooperative wind observation in the upper mesosphere and lower thermosphere with rockets equipped with foil clouds and ground-based radars. In: Proc. 20th Int. Symp. on Space Technology and Science, Gifu/Japan, pp. 1 - 4. 20th ISTS Secret., Tokyo (1996)
Widdel, H. U.: Foil chaff cloud method. In: The Upper Atmosphere: Data Analysis and Interpretation, pp. 227 - 241 (Eds. Dieminger, W.; Hartmann, G. K.; Leitinger, R.). Springer, Berlin (1996)
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