Anzeiger für Schädlingskunde, Pflanzen- und UmweltschutzJune 1973, Volume 46, Issue 6, pp 89–91 | Cite asRundschauArticle 9 Downloads This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Verlag Paul Parey, Berlin und Hamburg 1973