@techreport{TUW-109388, author = {Aspelmeyer, Markus and Jennewein, Thomas and B{\"o}hm, Herbert and Zeilinger, Anton and Pfennigbauer, Martin and Leeb, Walter}, title = {Quantum Communications in Space (QSpace): Quantum Communications applications in space}, institution = {E389 - Institute of Telecommunications; Vienna University of Technology}, year = {2002} }