Transition mechanisms in child development  the longitudinal perspective/ 
Anik De Ribaupierre 
 - Cambridge  Cambridge University Press  1989 
 - 340 p. :   ill. ;   23 cm. 
<br/><br/><label>ISBN: </label>0521371384 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology--Longitudinal studies--Congresses