Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Chorbadzhievo, P. 1924b. Konstatirani vredni nasekomi i dr. zhivotinski nepriiateli po kulturnite rasteniia vo Bulgariia prezo 1923 godina. Sofiia Sved. po zemledelieto. God. 5. kn. 3-4, str. 21-22.