000 00324nam a2200121Ia 4500
100 _aedited by Norman W Bray
020 _a0-12-366221-4
942 _cBK
245 _aInternational review of research in mental retardation : vol. XXI
260 _aAcademic Press, London
_c1997
082 _a371.92 Bra
300 _axiii,268p
999 _c28014
_d28014