00349nam a2200145Ia 4500008004100000020001800041041000800059082001600067100001900083245004000102250000600142260003800148300000800186650000900194210716s2009    xx            000 0 und d  a9788131505571  aeng  a004.65 WHIC  aWhite, Curt M.  aData communications and networking.  a1  aNew DelhibCengage Learningc2009  a421  aNone