Minski, Louis. <br/><br/>
Non-communicating children / 
By Louis Minski and Margaret J. Shepperd. 
 - London :  Butterworths,  1970. 
 - ix, 188 p. :  ill. ;  19 cm. 
<br/><br/>Bibliography : p. 181-182. 
<br/><br/><label>ISBN: </label>0407332006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicative disorders in children.<br/>Mentally handicapped children.