Jaszcz, Frank. "Light and electron microscopic (both transmission and stereo-scan) studies of the esophageal region of female Rhigonema thysanophora Crites, 1965 (Nematoda: Rhigonematidae) /." Doctoral dissertation, Ohio State University, 1976. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486999830962439Chicago Manual of Style (17th edition)