Mental retardation and behavioural research : study group held at the University of Hull, under the auspices of the Institute for Research into Mental Retardation and with assistance from the Department of Education and Science - Clarke, A. D. B. (Alan Douglas Benson); Clarke, Ann M. (Ann Margaret); Institute for Research into Mental Retardation (Edinburgh : Churchill Livingstone, 1973)
Includes index
Keywords: Mental retardationes; Mental retardation -- Researches