00281    a2200109   4500020001500000082001900015100001800034245003000052260003500082300002200117650003200139  a8121923174  a621.38275bAGA  aAgarwal, D.C.  aFibre optic communication  aNew DelhibS.Chandc1993g2004  axvi, 428p.c24cm.  aOptical fiber communication