000 00448nam a2200193Ia 4500
005 20240823013847.0
008 240823s9999||||xx |||||||||||||| ||und||
020 _a81-88458-37-6
041 _aENGLISH
082 _A621.382 P4
100 _aSingh R K
245 0 _aOptical Communication
250 _a1st
260 _c2004
_b"Kataria S K,"
_aDelhi
500 _aYES
650 _aOptical
_bInstrumentation
942 _cBK
999 _c168435
_d168435