000 00994nam a2200229Ia 4500
008 180116s1972 xxu||||| |||| 00| 0 eng d
020 _a0407249508
082 _aWM475
_bCLA
100 _a Clarke A. D. B., Lewis M. M., Symposia on Learning, Speech and Thought in the Mentally Retarded (4th and 5th: 1969, 1970: London) , Institute for Research into Mental Retardation
245 _aLearning, speech and thought in the mentally retarted
_b
250 _a
260 _aLondon
_bButterworths
_c1972
300 _a83 p.
_b23 cm.
440 _a
_v
500 _a Based on: Proceedings of symposia 4 and 5 held at the middlesex Hospital Medical School on 31 October 1969 and 20 March 1970 under the auspices of the Institute for Research into Mental Retardation, London
520 _a Mental Retardation, Mentally Disabled Persons, Speech, Language
650 _aLanguage
650 _aSpeech
650 _aMentally Disabled Persons
650 _aMental Retardation
906 _a5306
_b
_c
999 _c18782
_d18782