Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Drebes, Gerhard","Marines Phytoplankton : eine Auswahl der Helgoländer Planktonalgen (Diatomeen, Peridineen)",,G. Thieme,1974,Flexibles Taschenbuch,,3135039013,,https://cir.nii.ac.jp/crid/1130282272605270656