Enhancement of Along-Track Interferometry for Ground Moving Target Indication. - Robert Kohlleppel; Christoph H. Gierull (IGARSS (2), 2008)

Ground target tracking with signal adaptive measurement error covariance matrix. - Robert Kohlleppel (FUSION, 2012)

Ground target tracking with experimental data of the PAMIR system. - Michael Mertens; Robert Kohlleppel (FUSION, 2014)