• Toprak, U., Bayram, Ş., Gürkan, M.O. 2006. Comparative biological activities of a plaque-purified variant and a Turkish native isolate of SpliNPV-B against Spodoptera littoralis (Lepidoptera: Noctuidae). Pest Management Science, 62:57-63.
• Susurluk, I.A., Toprak, U. 2006. Molecular identification of three entomopathogenic nematodes from Turkey by PCR-RFLP of the ITS regions. Phytoparasitica, 34:17-20.