Most Popular Books
- A taxonomic revision of the Myrmica species of Europe, Asia Minor, and Caucasus (Hymenoptera, Formicidae).
- A Taxonomic Revision of the Ant Subgenus Coptoformica Mueller, 1923 (Hymenoptera: Formicidae)
- The Phenotypes of the Formica Rufa Complex in East Germany
- A Taxonomic Revision of the Formica Cinerea Group (Hymenoptera: Formicidae)
- A Revision of the European Species of the Ant Subgenus Chthonolasius (Insecta, Hymenoptera, Formicidae)
