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 Symposium on Lunar Bases and Space Activities in the 21st century and National Aeronautics and Space Administration,"Papers presented to the Symposium on Lunar Bases and Space Activities in the 21st century, Houston, Texas, April 5-7, 1988",,[Lunar and Planetary Institute],1988,LPI contribution,,,,https://cir.nii.ac.jp/crid/1130000798377719936