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Bibliography of World Literature on Mental Retardation, January 1940-March 1963

Rick F. HeberPatrick J. FlaniganUnited States. President's Panel on Mental RetardationNational Institute of Child Health and Human Development (U.S.)

出版	President's Panel on Mental Retardation, 1963
URL	http://books.google.com.hk/books?id=imNtAAAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN