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2. Andrews, J.W., “Impact of Weather Event Uncertainty upon an Optimum Ground-Holding Strategy”, Air Traffic Control Quarterly, Vol. 1 (1), 1993.
3. Boswell, S.B., “Evaluation of the Capacity and Delay Benefits of Terminal Air Traffic Control Automation”, DOT/FAA/RD-92/28, ATC-192, M.I.T. Lincoln Laboratory, April 1993.
4. Chew, R.G., “Free Flight - Preserving Airline Opportunity”, September 1997.
5. Credeur, L., J.A. Houck, W.R. Capron, and G.W. Lohr, “Delivery Performance of Conventional Aircraft by Terminal-Area, Time-Based Air Traffic Control — A Real-Time Simulation Evaluation”, NASA Technical Paper 2978, April 1990.