00533    a2200181   450000500170000001000140001702000260003103500230005703700150008008200100009510000220010524500610012725000120018826000440020027000580024430000300030250000190033220180924123033.0  aENG-86245  a9788120330788c395.00  aEN-69778, A-933813  bDBAD / PUB14a004.6  aStalling, William1 aData and computer communications /cby William Stallings  a8th ed.  aNew DelhibPrentice-Hall of Indiac1997  aM-97, Connaught CircusbNew DelhicNew Delhie110 001  axvii, 798p.c25cm.  (Pbk)  aIncludes index