Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
European Space Agency,"Ground data systems for spacecraft control : Proceedings of the international symposium organised by the European Space Agency and held at Darmstadt, Federal Republic of Germany, on 26-29 June 1990",,ESA Publications Division,1990,ESA SP,,9290920742,,https://cir.nii.ac.jp/crid/1130000793891677056