Preyer W. <br/><br/>
Embryonic motility and sensitivity 

 - Washington, USA  Society for Research in Child Development, National Research Council  1937 
 - v,115p 
 - Monographs of the society for research in child development; 6, V 2 .
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology