Bartell, Gilbert D. <br/><br/>
Group sex  a scientist's eyewitness report on the American way of swinging 
by Gilbert D. Bartell. 
 - New York  P. H. Wyden  [1971] 
 - x, 298 p.  21 cm. 
<br/><br/><label>LCCN: </label>77143182  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group sex--United States.
<br/><br/><label>LC Class. No.: </label>HQ18.U5  / B33 
<br/><br/><label>Dewey Class. No.: </label>301.41/53/0973