000 00400nam a2200157Ia 4500
008 180531s9999||||xx |||||||||||||| ||und||
020 _a9788120351400
040 _cPK-GjGUL
082 _a535.05
_bSIN-A
100 _a"Singh, Devraj"
245 _aApplied optics
_c"Singh, Devraj"
260 _aNew Delhi
_bPHI learing
_c2015
300 _a248 p.
650 _aElectrical Engineering
942 _cBK
999 _c15044
_d15044