Mental retardation and behavioural research :  under the auspices of the Institute for Research into Mental Retardation and with assistance from the Department of Education and Science, study group held at the University of Hull / 
edited by A. D. B 
 - Edinburgh :  Churchill Livingstone,  1973 
 - xii, 279 p. ;  22 cm. 
<br/><br/> Imprint covered by label : The Williams & Wilkins Co., Baltimore  Includes index 
<br/><br/><label>ISBN: </label>044300952X :  PND 5.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental retardation<br/>Mental retardation--Research
<br/><br/><label>Dewey Class. No.: </label>136.766