000 00272nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bSIN
100 _aSingh,Ram Pal
245 0 _aModern Teaching of Chemistry
260 _bAnmol pub
_c2008
300 _a383
942 _cBD
999 _c3573
_d3573