Robertazzi, Thomas G.. Computer networks and systems : queueing theory and performance evaluation / Thomas G. Robertazzi. - 3rd ed / . - New York : Springer-Verlag , 2002. - xii,409p. : ills,figs ; 23cm . Includes bibliography and index ISBN: 3540781196 Euro 6.50 Subjects--Index Terms: COMPUTER NETWORKS Dewey Class. No.: 004.65 / ROB/C