Detra, Randall. "Organophosphate toxicology of larval Chironomus riparius Meigen (=thummi Kiefer) (Diptera: Chironomidae) /." Doctoral dissertation, Ohio State University, 1982. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487175951038434Chicago Manual of Style (17th edition)