00358nam a2200133Ia 4500008004000000020001800040082002000058100001900078245003900097250000500136260003500141300001300176650003500189210210b1991   xxu||||| |||| 00| 0 eng d  a0 07 100785 7  a621.380414 KEIO  aKEISER (Gerd).  aOptical fiber communications. Ed.2  a  aNew York.bMcGraw-Hill ,c1991  axvii,461  aOptical Fiber Communications