00269    a2200109   4500020001800000082001600018100002300034245003600057260003700093300002300130440000600153  a9780471491101  a519.82bKIE  aKleinrock, Leonard  aQueueing systems vol. 1btheory  aNew YorkbJohn Wileyc1975g1975  axviii, 417p.c22cm  v1