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An efficient method for determining the waiting time distribution of queues
Lau, Hon-Shiang, (1976)
An improved (Q, R) formulation when the stockout cost is incurred on a per-stockout basis
Lau, Amy Hing Ling, (2008)
A finite horizon lot-sizing problem with time-varying deterministic demand and waiting-time-dependent partial backlogging
Zhou, Yong-Wu, (2004)