000 00285nam a2200121Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
040 _cLDD
245 0 _aParents and teachers
260 _aMilton Kyenes
_bOpen University Press
_c1981
300 _a42p.
942 _2ddc
_cBK
999 _c17884
_d17884