00273nam a2200097Ia 450000500170000000800410001710000240005824500490008226000360013130000080016720260413100918.0230516s9999||||xx |||||||||||||| ||und||  aSarkar, Subir Kumar 0aOptical Fibres and fibre optic comm. Systems  bNew Delhi S. Chand & Sonsc2003  a354