SAR interferometry on a very long time scale: a study of the interferometric characteristics of man-made features. - Stefania Usai; Roland Klees (IEEE Trans. Geosci. Remote. Sens., 1999)

Insar datum connection using GNSS-augmented radar transponders. - Pooja S. Mahapatra; Hans van der Marel; Freek J. van Leijen; Sami Samiei-Esfahany; Roland Klees; Ramon F. Hanssen (IGARSS, 2016)