Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Chorbadzhievo, P. 1926a. Belezhki vorkhu nekoi zhivotinski nepriiateli na kulturnite rasteniia vo Bulgariia prezo 1925 g. Sofiia. Izvestiia na Bulg. entom. dr-vo. kn. 3. str. 128-129.