000 00332nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.38275
100 _aSubir Kumar Sarkar
245 0 _aOptical Fibres and Fibre Optic Communication Systems
250 _a4
260 _bS Chand And Company Ltd.,New Delhi
_c2010
942 _cBK
999 _c23852
_d23852