Critical periods 
edited by John Paul Scott 
 - Hutchinson & Ross, Stroudsburg, Pa.  Dowden  1978 
 - xv, 381 p. : ill. ; 26 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0879331194 
<br/><br/><label>LCCN: </label>78-000632 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Critical periods (Biology)