00389nam a2200145Ia 4500008004100000020002200041040002600063082001400089100002400103245003700127250001100164260004700175003000400222005001700226241217s9999||||xx |||||||||||||| ||und||  a9780133268287c36  bengcSSK Libraryerda  a004.6/STA  a William  Stallings 0aData And Computer Communications  a4th ed  b Prentice-Hall International, Inc.c©1994OSt20241217112923.0