1. TanDEM-X: a satellite formation for high-resolution SAR interferometry, IEEE Trans;Krieger;Geosci. Remote Sens.,2010
2. TanDEM-X: a radar interferometer with two formation-flying satellites;Krieger;Acta Astronaut.,2013
3. A. Moreira, G. Krieger, J. Mittermayer: Satellite configuration for interferometric and/or tomographic remote sensing by means of synthetic aperture radar (SAR). US Patent 6,677,884, application from 5 Jul 2001.
4. H. Fiedler, G. Krieger, M. Zink, Constellation and formation flying concepts for radar remote sensing, in: Proceedings of the Advanced RF Sensors for Earth Observation, ESA/ESTEC, The Netherlands, 2006.
5. Proximity operations of formation flying spacecraft using an eccentricity/inclination vector separation;D’Amico;J. Guid. Control Dyn.,2006