@techreport{oai:jaxa.repo.nii.ac.jp:00044501,
 author = {大坪, 孔治 and OTSUBO, Koji},
 month = {Jan},
 note = {資料番号: NALTR0258000, レポート番号: NAL TR-258},
 title = {三次元準最適直接式誘導法},
 year = {1972}
}