Escalona Sibylle K. <br/><br/>
Roots of individuality : Normal patterns of development in infancy 

 - London, UK  Tavistock Publications Limited  1968 
 - ix,547p. 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child Psychology