000 00256pam a2200109a 44500
008 230405s1900 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aKhan T.H.Ed
245 _aSystematic Chemistry
260 _a
_bUttam prakashan
_c1900
906 _a7109
999 _c298452
_d298452