000 00387nam a2200121Ia 4500
100 _aEwa Zarkowska and John Clements
020 _a0-7099-3014-3
942 _cBK
245 _aProblem behaviour in people with severe learning disabilities : a practical guide to a constructional approach
260 _aCroom Helm, London
_c1988
082 _a371.917 Zar/Cle
300 _axi,208p tabs,figs.
999 _c59787
_d59787