著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Clements, Nathaniel J. and Hahn, Edison G.","Commercial spaceflight : assessments, challenges and trends",,Nova Science Publishers,2012,"Space science, exploration and policies series",,9781619426672,,https://cir.nii.ac.jp/crid/1130282269356877952