00341nam a2200133Ia 4500008004100000041000800041082001700049100001300066245005700079260003400136300000800170365001600178700001300194230718s9999    xx            000 0 und d  aeng  a621.384bELA  aElahi A.  aNetwork Communications Technical Book Servicesnology  c2002bDelmar Ceneage Learning  a350  cRs.b278.85  aElahi A.