000 00263nam a2200109Ia 4500
008 220201s2001 xx 000 0 eng d
100 _aTHAKUR, D.N.
245 0 _aFUNDAMENTAL CONCEPT IN CHEMISTRY
260 _aDELHI
_bS.CHAND
_c2001
300 _a777
942 _2ddc
999 _c68113
_d68113