000 00334nam a22001457a 4500
999 _c19657
_d19657
003 OSt
005 20230529144206.0
008 230529b xxu||||| |||| 00| 0 eng d
041 _aENGLISH
100 _aSingh, Y.P.
245 _aOptics
260 _aAligarh
_bDDOE Mangalayatan University
_c2023
300 _a101p.
942 _2ddc
_cBK