Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Chorbadzhievo, P. 1924f. Vrednite za ovoshchnite dorveta koroiadi u naso i sredstva za borba so tekho. Sofiia. Trudove na Bulg. Naucheno Zemled. Stopan. Instituto No. 7, str. 1-32.