00275nam a2200109Ia 4500008004100000041001200041082001100053100001400064245007500078260000600153650000600159221030s9999    xx            000 0 und d  aEnglish  a105.23  aP. K. Roy 0aPractical guide to Networking with UNIX, DOS and WINDOWScby P. K. Roy  c0  aB