Mount, Donald. "A study of the chronic effects of endrin, an insecticide, on the bluntnose minnow, Pimephales notatus (rafinesque) and on the guppy, Lebistes reticulatus (peters) /." Doctoral dissertation, Ohio State University, 1960. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486478251461943Chicago Manual of Style (17th edition)