00373nam a2200133Ia 4500008004100000020003000041040002600071082001600097100002200113245003600135260004700171003000400218005001700222241127s9999||||xx |||||||||||||| ||und||  a9780135990100c64.4564.45  bengcSSK Libraryerda  a004.678/COM  a Douglas E. Comer 0aComputer Networks And Internets  b Prentice-Hall International, Inc.c©1997OSt20241127152714.0