Christian, Frederick. "Life history studies of Spinitectus microspinosus sp. n (Nematoda:Rhabdochonidae) with emendation of the genus Spinitectus fourment, 1833 /." Doctoral dissertation, Ohio State University, 1969. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486652767115287Chicago Manual of Style (17th edition)