Segal, Nancy L.,  1951- <br/><br/>
Entwined lives :  twins and what they tell us about human behavior / 
Nancy L. Segal. 
 - New York :  Plume,  2000. 
 - xx,396p :  ill. ;  23 cm. 
<br/><br/> Originally published: New York : Dutton, 1999. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0452280575 :  CIP entry 9780452280571 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Twins--Psychology.<br/>Nature and nurture.