000 00268nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSrivastava, Sardendu
245 0 _aTeaching Of Physical Science
260 _aNew Delhi
_bAPD
_c2007
300 _a230p.
942 _cBK
999 _c12340
_d12340