Heller, Paul. "Factors influencing oviposition of Aleochara tristis Gravenhorst (Coleoptera: Staphylinidae), and its parasitization of face fly pupae /." Doctoral dissertation, Ohio State University, 1976. http://rave.ohiolink.edu/etdc/view?acc_num=osu148699983096213Chicago Manual of Style (17th edition)