DeLora, Joann S. <br/><br/>
Understanding sexual interaction 
by Joann S. DeLora and Carol A. B. Warren, with contributions by Carol Rinklieb and Douglas Kirby 
 - Boston  Houghton Mifflin  1977 
 - xviii, 642 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>p. 599-628. 
<br/><br/><label>ISBN: </label>0395243149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex customs.<br/>Sex (Psychology).<br/>Sexual intercourse.<br/>Sexual deviation.<br/>Sex (Biology).