000 00291nam a22001217a 4500
008 250107b |||||||| |||| 00| 0 eng d
020 _a978-93-5014-679-8
100 _aR Dogra
245 _aEngineering Physics
260 _aNew Delhi
_bS K Kataria
_c2019
300 _a636
942 _2ddc
_cBK
999 _c21060
_d21060