00354nam a2200133Ia 4500008004100000040001600041041001200057082001700069100002200086245004200108250001200150260004100162300001700203230917s9999||||xx |||||||||||||| ||und||  e31106aMAIN  aEnglish  a004.65 P442C  aPeterson, Larry L 0aComputer networks: A systems approach  a2nd ed.  aSan FranciscobMorgan Kaufmannc2000  axvii, 748 p.