00365nam a2200145Ia 4500008004100000041000800041082001500049100001800064245004000082250001200122260002200134300002900156365001600185700001800201230719s9999    xx            000 0 und d  aeng  a004.6bFOR  aForouzan B.A.  aData Communications And Networking   a5th ed.  c2019bMcGraw Hill  a1226dRef 1545 C (48723)  cRs.b300.00  aForouzan B.A.