DeLora, Joann S <br/><br/>
Understanding sexual interaction 
Joann S. DeLora, Carol A.B. Warren, Carol Rinkleib Ellison with contributions by Douglas Kirby ; (position drawings by Jan Palker ; anatomical drawings by Jennifer Giancarlo) 
 - 2nd ed. 
 - Boston  Houghton Mifflin  1981 
 - xvii, 592,  72  p. ;  ill. :  25 cm. 
<br/><br/>Includes bibliography and indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex customs.<br/>Sex (Psychology).<br/>Sexual intercourse.<br/>Sexual deviation.<br/>Sex (Biology).