1. R.K. Ahuja, T.L. Magnanti, J.B. Orlin, Network Flows, Prentice Hall, Englewood Cliffs, NJ, 1993
2. Adaptive sampling of cardiac waveforms;Barr;Journal of Electrocardiography,1988
3. An algorithm for the resource constrained shortest path problem;Beasley;Networks,1989
4. R.E. Bellman, S.E. Dreyfus, Applied Dynamic Programming, Princeton University Press, Princeton, NJ, 1971
5. Existence of forecast horizons in undiscounted discrete-time lot size models;Chand;Operations Research,1990