Scheinfeld, Amram <br/><br/>
Twins and supertwins. 
With special editing by Arthur Falek and others. Illustrated by the author. 
 - [1st ed.] 
 - Philadelphia  Lippincott  [1967] 
 - 292 p.  illus., facsim.  24 cm. 
<br/><br/>Bibliography: p. 277-285. 
<br/><br/><label>ISBN: </label>0397005075 
<br/><br/><label>LCCN: </label>67013306  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Twins--Psychology.
<br/><br/><label>LC Class. No.: </label>BF723.T9  / S3 
<br/><br/><label>Dewey Class. No.: </label>155.44/4