Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Däubler, Wolfgang and Mayer-Maly, Theo",Negative Koalitionsfreiheit?,,J.C.B. Mohr,1971,Recht und Staat in Geschichte und Gegenwart,,3166324410,,https://cir.nii.ac.jp/crid/1130282269551846400