1.
 |  | Title: The Economic Regulation of Airports: Recent Developments in Australasia, North America and Europe (Ashgate Studies in Aviation Economics and Management) by Peter Foresyth, David Gillen, Andreas Knorr, O.G. Mayer, Hans-Martin Niemeier, D. Starkie, Peter Forsyth ISBN: 0754638162 Publisher: Ashgate Publishing Company Pub. Date: May, 2004 List Price: $89.95 Amazon.com Price: $89.95 |
2.
 |  | Title: Impact of Liberalizing International Aviation Bilaterals: The Case of the Northern German Region by David W. Gillen ISBN: 0754617610 Publisher: Ashgate Publishing Pub. Date: 01 January, 2001 List Price: $79.95 Amazon.com Price: $79.95 |
3.
 |  | Title: Assessing the Benefits and Costs of ITS: Making the Business Case for ITS Investments (Transportation,Research,Economics and Policy, 10) by David Gillen, David M. Levinson ISBN: 1402076770 Publisher: Kluwer Academic Publishers Pub. Date: April, 2004 List Price: $185.00 Amazon.com Price: $185.00 |
4.
 |  | Title: Airline Cost and Performance: Implications for Public and Industry Policies by David W. Gillen, Tae H. Oum, Michael W. Tretheway ISBN: 091980439X Publisher: Centre for Transportation Stds Pub. Date: June, 1986 List Price: $24.00 Amazon.com Price: $24.00 |
5.
 |  | Title: Canadian Airline Deregulation and Privatization: Assessing Effects and Prospects by David Gillen, Tae H Oum, Michael W Tretheway ISBN: 0919804381 Publisher: Centre for Transportation Stds Pub. Date: September, 1985 List Price: $25.00 Amazon.com Price: $25.00 |