DTN LEO Satellite Communications through Ground Stations and GEO Relays. - Pietrofrancesco Apollonio; Carlo Caini; Martin Lülf (PSATS, 2013)

Testing general relativity using Galileo satellite signals. - Gabriele Giorgi; Martin Lülf; Christoph Günther 001; Sven Herrmann; Daniela Kunst; Felix Finke; Claus Lämmerzahl (EUSIPCO, 2016)