Satellite orbit determination and gravity field recovery from satellite-to-satellite tracking / K.F. Wakker, B.A.C. Ambrosius, H. LeenmanPositioning of the Tromsø station by satellite laser ranging; campaign 1990 : data acquisition and analysis / B.A.C. Ambrosius (ed.)Earth oriented space research at Delft University of Technology : 1990-1993 / B.A.C. Ambrosius, R.H.N. Haagmans, E. Vermaat (eds.)Digital data reduction algorithm for oscillatory signals with an application to L-instability / F. Bebelaar, B. A. C. Ambrosius, H. F. R. SchöyerA study on the determination of the Kootwijk-Wettzell baseline laser ranging at these stations : submitted to the 2nd meeting of the Lageos working group, Greenbelt, February 1980 / by K.F. Wakker, B.A.C. AmbrosiusEstimation on the Wettzell coordinates from satellite laser ranging at Kootwijk, San Fernando and Wettzell : submitted to the EROS plenary meeting, Grasse, April 15-17, 1980 / by K. F. Wakker, B. A. C. AmbrosiusSummary of orbit computations from laser range observations of Lageos, Starlette, Geos-3 and Seasat / K.F. Wakker and B.A.C. AmbrosiusPreliminary orbital error analysis for ERS-1 / K.F. Wakker and B.A.C. AmbrosiusSeasat orbit determination from laser range observations / K.F. Wakker, B.A.C. Ambrosius and T. van der Ploeg