000 00292nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.38275
100 _aSubir Kumar Sarkar
245 0 _aOptical Fibre, and Fibre Optic Communication Systems
260 _bS Chand And Co
_c2004
942 _cBK
999 _c4955
_d4955