Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Schwenke, W. 1974. Die Forstschadlinge Europas: ein Handbuch in funf Banden. Zweiter Band. Kaefer [The forest pests of Europe: a handbook in five volumes. Volume 2. Coleoptera]. Paul Parey, Hamburg. 500 p.