000 00343nam a2200133Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a541.22 RS-T
100 _aR.S.C
_914321
245 4 _aThe age of the molecules
260 _aDelhi
_bRoyal Society of chemistry
_c1999
300 _a268
650 _aPhysical chemistry
_937591
942 _cBK
999 _c41885
_d41885