1. "Garvey Warns of Airline Delays," Washington Post, August 2002
2. Warren, A. and Tong, K, "Development of Continuous Descent Approach Concepts for Noise Abatement," to bepresented at21stDigital Avionics System Conference - Air Traffic Management for Commercial and MilitarySystem, Oct. 2002
3. "Noise from Arriving Aircraft - An Industry Code of Practice," BAA, September 2001
4. Kevin Elmer et al. "A Study of Noise Abatement Procedures using Ames B747-400 Flight Simulator," AIAA-2002-2540, AIAA Aeroacoustics Conference, June 2002