Approximations for the M/GI/N+GI type call center.

Foad Iravani Baris Balcioglu Approximations for the M/GI/N+GI type call center. 137-153 2008 58 Queueing Syst. 2 http://dx.doi.org/10.1007/s11134-008-9064-y db/journals/questa/questa58.html#IravaniB08