1. Sequencing with earliness and tardiness penalties: A review;Baker;Operations Research,1990
2. Improving competitive responsiveness via the virtual environment;Barclay,1996
3. Bartholdi, J. J., & Hackman, S. T. (2016). Warehouse & distribution science: Release 0.91. Retrieved from http://www.warehouse-science.com.
4. Critical ratio scheduling: An experimental analysis;Berry;Management Science,1975
5. The output of a queuing system;Burke;Operations Research,1956