00547nam a2200193Ia 4500003000400000005001700004008004100021040002000062041000800082082002300090100003200113245006100145250001200206264005100218300001100269650002100280650002800301650002400329AIT20260811121410.0221231s9999    xx            000 0 und d  aATRIAbengcAIT  aeng  a004.6 WILqAIT222  aStallings, William eAuthor 0aData and computer communications /cby William Stallings  a8th Ed.34aNew Delhi :bPrentice-Hall of India ;c©2007.  a878 p.  aComputer Science  aComputer Communications  aData Communications