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 Commission of the European Communities. Directorate-General Development and Aéroports de Paris,Study on potential benefit to airport/ATM congestion through special operational procedures for rotorcraft,,Office for Official Publications of the European Communities,1996,Transport research,,9282779955,,https://cir.nii.ac.jp/crid/1130000794581568128