Klein, Fritz <br/><br/>
The bisexual option / 
Fritz Klein ; foreword by Regina U. Reinhardt. 
 - 2. ed 
 - [s.l.] :  The American Institute of Bisexuality,  1993 
 - xiii, 215 p. ;  23 cm 
<br/><br/> Segue appendice 
<br/><br/><label>ISBN: </label>9780985871703