Mental subnormality : modern trends in research /
Mental subnormality : modern trends in research /
edited by B. W. Richards ; with a foreword by L. S. Penrose
- London : Pitman Medical, 1970
- x, 260 p. : ill. ; 23 cm.
Includes bibliographies.
79-500621 //r863
Mental retardation--Research
Includes bibliographies.
79-500621 //r863
Mental retardation--Research
