Start-up class models in multiple-class queues with N-policy.

Ho Woo Lee Seung Hyun Yoon Won Ju Seo Start-up class models in multiple-class queues with N-policy. 101-124 1999 31 Queueing Syst. 1-2 http://dx.doi.org/10.1023/A:1019150028799 db/journals/questa/questa31.html#LeeYS99