000 00304nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a729100766
082 _a370.152LEA
100 _aLeach D.J.
245 0 _aLearning and behaviour difficulties in school
260 _bopen books
_c1977
942 _cBK
999 _c442074
_d442074