Ziajka, Alan. <br/><br/>
Prelinguistic communication in infancy / 
Alan Ziajka. 
 - New York, N.Y. :  Praeger Publishers,  1981. 
 - 178p . ;  24 cm. 
<br/><br/>Includes index. Bibliography : p.154-171. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interpersonal communication in children.<br/>Nonverbal communication in children.<br/>Infant psychology.