00486nam a2200193Ia 4500003000500000005001700005008004100022020001500063041000700078100001700085245004600102250001200148260003700160300001600197500001400213650002100227650002100248080002300269BNCV20231122114614.0190507b           ||||| |||| 00| 0 por d  a0701007857  aPT  aKeiser, Gerd  aOptical fiber communications/ Gerd Keiser  a2ª ed.  aSingapura:bMcGrãw-Hill,c1991  a453p.b:il.  aInv. 2018  aFibras ópticas  aComunica��es  a681.7.068 bKEI op