000 00290nam a2200121Ia 4500
008 220201s1998 xx 000 0 eng d
082 _a621.381
_bLAC
100 _aLachs, G
245 0 _aFiber optics communication
260 _aDelhi
_bMcgraw Book Co.
_c1998
300 _a385
942 _2ddc
999 _c36361
_d36361