On the scattering mechanism of power lines at millimeter-waves. - Helmut Essen; Stephan Boehmsdorff; Gregor Biegel; Alfred Wahlen (IEEE Trans. Geosci. Remote. Sens., 2002)

Clutter from mountain terrain at 94 GHz. - Helmut Essen; Stefan Sieger; Gregor Biegel; Anika Maresch; Andreas Danklmayer (IGARSS, 2012)

Measurements of Sea Clutter at Low Grazing Angle in Mediterranean Coastal Environment. - Vincent Fabbro; Gregor Biegel; Jörg Forster; J.-B. Poisson; Andreas Danklmayer; Christian Onno Böhler; J.-P. Marcellin; Thorsten Brehm; M. Gallus; Laurent Castanet; A. Ulland; Yvonick Hurtaud (IEEE Trans. Geosci. Remote. Sens., 2017)

Radar Propagation Experiment in the North Sea: The Sylt Campaign. - Andreas Danklmayer; Jörg Forster; Vincent Fabbro; Gregor Biegel; Thorsten Brehm; Paul Colditz; Laurent Castanet; Yvonick Hurtaud (IEEE Trans. Geosci. Remote. Sens., 2018)