00342nam a2200145Ia 4500008004100000020001800041041000800059082001900067100001800086245003400104250000600138260003100144300001200175650000900187210716s2000    xx            000 0 und d  a9780071164689  aeng  a621.38275 KEIG  aKeiser, Gerd.  aOptical fiber communications.  a3  aBostonbMc Graw Hillc2000  axxi,602  aNone