00353nam a2200133Ia 4500008004100000020002500041040002600066082001400092100002000106245002200126260005000148003000400198005001700202241217s9999||||xx |||||||||||||| ||und||  a9781850321767c97.85  bengcSSK Libraryerda  a004.6 LAR  a John  Larmouth 0aUnderstanding Osi  b International Thomson Computer Pressc©1996OSt20241217112925.0