Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Battrick, B. and European Space Agency",Rendezvous with the new millennium : the report of ESA's Long-term Space Policy Committee,,ESA Publications Division,1995,ESA SP,,"9290923474,9290923474",,https://cir.nii.ac.jp/crid/1130282271935677312