00510nam a2200181Ia 4500003000400000005001700004008004100021040002000062041000800082082002500090100002600115245005100141250001200192264004900204300001100253650003400264650003000298AIT20260806103511.0221231s9999    xx            000 0 und d  aATRIAbengcAIT  aeng  a621.369 AGA2AITq22  aAgarwal D. C.eAuthor 0aFibre optic communication /cby D. C. Agarwal   a2nd Ed.34aNew Delhi :bS. Chand and Company ;c©1993.  a428 p.  aElectronics and Communication  aFibre optic Communication