000 00280nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
100 _aKalra, R. M.
245 _aScience Education for Teacher Trainees and Inservice Teachers
260 _bPHI
_c2008
300 _a176
942 _cBK
999 _c52391
_d52391