| 000 | 00855nam a2200205Ia 4500 | ||
|---|---|---|---|
| 008 | 180116s1973 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0407268022 | ||
| 082 |
_aWM300 _bCLA |
||
| 100 | _a Clayton Barbara, Symposia on Mental Retardation(9th, 10th, 11th : 1971: London) , Institute for Research into Mental Retardation | ||
| 245 |
_aMental retardation _benvironmental hazards |
||
| 250 | _a | ||
| 260 |
_aLondon _bButterworths _c1973 |
||
| 300 |
_a112 p. _b22 cm. |
||
| 440 |
_a _v |
||
| 500 | _a Based on : Proceedings of Symposia 9, 10 and 11 held at the Middlesex Hospital Medical School on 11 June and 19 November 1971 and 10 March 1972 under the auspices of the Institute for Research into Mental Retardation, London | ||
| 520 | _a Mental Retardation, Environment | ||
| 650 | _aEnvironment | ||
| 650 | _aMental Retardation | ||
| 906 |
_a420 _b _c |
||
| 999 |
_c18876 _d18876 |
||