00433nam a2200181 a 450000500170000002000180001708200190003510000200005424500360007425000120011026000300012230000270015250000190017960000080019863000330020685600060023985600060024520251203114834.0  a9781259006876  a621.38275bKEI  aKeiser, Gerdd_  aOptical fiber communicationsb_  a5th ed.  aNew DehlibMcGraw Hillc_  axxii, 662p.c24cm.bPB  aIncludes index  bc_  aOptical fiber communications  f_  a_