000 00313nam a2200133Ia 4500
008 220201s1992 xx 000 0 eng d
082 _a4
_bSYM
100 _aSyms, Richard
245 0 _aOptical guided waves & devices
250 _a3rd ed
260 _aLondon
_bMcgraw Hill
_c1992
300 _a498
942 _2ddc
999 _c34763
_d34763