TY - RPRT TI - Communications satellites in non-geostationary orbits AU - Price, Kent M. AU - Doong, Wen AU - Nguyen, Tuan Q. AU - Turner, Andrew E. AU - Weyandt, Charles PY - 1988 UR - https://ntrs.nasa.gov/citations/19880040356 ID - 19880040356 ER -