Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Dimitrov, T., and A. Biolcev. 1936. Beitrag zur Studium der Beschadigungen in unseren Waldern . Godischnik na Sofiiskija Universitet, Agronomolesovadski Fakultet, Sofia 14:169-203.
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