Scheinfeld, Amram, 1897- <br/><br/>
Twins and supertwins 
By Amram Scheinfeld with special editing by Arthur Falek, and others herein mentioned 
 - Harmondsworth  Penguin  1973 
 - 300 p. :   ill. ;   20 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Twins--Psychology