Yeoman, Richard. "Roles of the primary olfactory system and the vomeronasal system on copulatory behavior, copulation-induced ovulation and preoptic-septal unit responses to odor in the rat /." Doctoral dissertation, Ohio State University, 1977. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487065361260706Chicago Manual of Style (17th edition)