Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Heere, Wybo P.",International bibliography of air law : supplement 1972-1976,,"Sijthoff,Besteladres, Academic Book Services Holland, postbus 66]",1976,,,9028605266,,https://cir.nii.ac.jp/crid/1130282270038134400