000 00299nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
100 _aKatra, Rajinder M
245 _aTeaching of Science for Primary and Secondary Pre and Inservice Teachers
260 _bShipra
_c2011
300 _a200
942 _cBK
999 _c52696
_d52696