000 00364nam a2200133Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
020 _a81-203-2407-2
082 _a621.382 7 WAL
100 _aWalker, Bruce, H
245 0 _aOptical engineering fundamentals
260 _aPrentice hall
_bNew Delhi
_c2003
300 _b250
650 _aOPTICAL COMMUNICATION
999 _c173573
_d173573