000 00265nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aMAHESHWARI V.K.
_916409
245 0 _aTEACHING OF SCIENCES
260 _bSURYA PUBLICATION
_c2010
300 _a363
942 _cBK
999 _c113861
_d113861