TY - BOOK AU - Tizard Jock, Symposia on Mental Retardation (12th, 13th, 14th: 1972-73: London) , Institute for Research into the Mental and Multiple Handicap TI - Mental retardation: concepts of education and research SN - 0407268014 U1 - WM300 PY - 1974/// CY - London PB - Institute for Research into Mental and Multiple Handicap KW - Mental Retardation KW - Research KW - Eeducation N1 - Based on: Proceedings of Symposia 12, 13 and 14 held at the Middlesex Hospital Medical School in 1972-73 Under the Auspices of the Intitute for Research into Mental and Multiple Handicap, London, Publishered for the Institute for Research into the Mental and Multiple Handicap N2 - Mental Retardation, Eeducation, Research ER -