Maturation and development  biological and psychological perspectives 
Edited by Kevin J. Connolly and Heinz F.R. Prechtl 
 - London  Spastics International Medical Pub.  1981 
 - 326 p. : ill. ; 20 cm. 
 - Clinics in developmental medicine  no. 77/78 .
<br/><br/><label>ISBN: </label>0433064153 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child Development--essays