000 00297nam a2200121Ia 4500
008 160710s1980 xx 000 0 und d
082 _a621.3827 CLA
100 _aCLARRICOATS
245 _aPROGRESS IN OPTICAL COMMUNICATION
260 _bPETER PEREGRINUS
_c1980
300 _a247
942 _2ddc
_cB
999 _c54834
_d54834