000 00263pam a2200109a 44500
008 230405s1900 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aKhan T H Ed
245 _asystematic vhemistry XII th
260 _a
_bUttam prakashan
_c1900
906 _a7201
999 _c298544
_d298544