000 00360nam a22001457a 4500
003 OSt
008 210101b ||||| |||| 00| 0 eng d
082 _a541.35
_bJAG/P CHE
100 _aJagdamba singh
245 _aPhotochemistry and pericyclic reactions
250 _a4th Ed
260 _aLondon
_bNew age international
_c2019
300 _a401p
942 _cTB
999 _c14323
_d14323