000 00389nam a2200145Ia 4500
008 230312s9999||||xx |||||||||||||| ||und||
020 _a978-8121914598
082 _a621.3827
_bSAR-O
100 _aSarkar;Subir kumar
245 0 _aOptical Fibres and FIBRE Optic Communication Systems
260 _bS.chand
_aIndia
_c2016
300 _a388
650 _aEngineering
_vTele Com
942 _cBK
999 _c14221
_d14221