Children with severe cerebral palsy :  an educational guide / 
editors Henning Rye; Miriam Donath Skhorten. 
 - Paris :  UNESCO,  1989. 
 - 163 p. ;  il. 
 - Guides for Special Education ;  7. .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>376.433 (100) =20 CHI No.7.