1. Part 91–General Operating and Flight Rules, Federal Aviation Administration, 2017.
2. Air Passenger Forecasts - Country Report (United States),2016
3. Design of a Conflict Detection Algorithm for the Center/TRACON Automation System;Isaacson,1997
4. Assessment of Field Trials, Algorithmic Performance, and Benefits of the User Request Evaluation Tool (URET) Conflict Probe;Brudnicki,1997
5. The introduction of Enhanced Ground-Proximity Warning Systems (EGPWS) into civil aviation operations around the world;Bateman,1999