00325nam a2200133Ia 4500008004100000041000800041082001400049100002100063245003400084250001400118260003700132300001500169365000700184240624s9999    xx            000 0 und d  aeng  a004.6 HAL  aHALLBERG BRUCE A  aNETWORKING A BEGINNER S GUIDE  a(3rd ed.)  c2004aNew DelhibTata McGrawhill  axix, : 503  cRS