Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Zäpfel, Günther",Produktionswirtschaft : operatives Produktions-Management,,Walter de Gruyter,1982,De Gruyter Lehrbuch,,"3110088177,3110074508",,https://cir.nii.ac.jp/crid/1130282269553999104