Before speech :  the beginning of interpersonal communication /  [print] 
edited by Margaret Bullowa. 
 - Cambridge ;  New York :  Cambridge University Press,  (c)1979. 
 - viii, 400 pages :  illistrations ;  24 cm. 
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<br/><br/><label>LCCN: </label>78050671 //r81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interpersonal communication in children.<br/>Nonverbal communication in children.<br/>Parent and child.
<br/><br/><label>LC Class. No.: </label>BF723.B938.B446 1979 BF723