Decision support tools to assist in airport surface management. - Amy L. Spencer; Philip J. Smith; Charles E. Billings; Christopher R. Brinton; Stephen Atkins; Deborah H. Walton (SMC, 2003)

Strategies for designing distributed systems: case studies in the design of an air traffic management system. - Philip J. Smith; Amy L. Spencer; Charles E. Billings (Cogn. Technol. Work., 2007)