000 00273nam a2200097Ia 4500
008 160930s9999 xx 000 0 und d
100 _aSarkar, Subir Kumar
245 _aOptical Fibres and Fiber Optic Communication Systems
260 _aNew Delhi
_bS. Chand & Com.
942 _cBK
999 _c1655
_d1655