000 00334pam a2200133a 44500
008 230405s2021 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aP.S. Kalsi
245 _aOrganic Reactions & their Mechanism
260 _aNew Delhi
_bNew Age International ltd
_c2021
300 _a698
650 _aPhysics
906 _a19294
999 _c309792
_d309792