Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
European Space Agency and European Conference on Space Debris and Agenzia Spaziale Italiana,"Proceedings of the third European Conference on Space Debris, 19-21 March 2001, European Space Operations Centre (ESOC), Darmstadt, Germany",,ESA Publications Division,2001,ESA SP,,929092733X,,https://cir.nii.ac.jp/crid/1130000797046908544