WILLIAM E. THOMS is Professor of Law at the University of North Dakota and headed its institutes of aviation law and Canadian-American law. Thoms has done extensive writing in the field of transportation law. He is the author of Reprieve for the Iron Horse (1973), and coauthor of Law and Economic Regulation in Transportation (Quorum, 1986), Airline Labor Law (Quorum, 1991) and Pilots, Personality and Performance (Quorum, 1992). With Paul Dempsey and Robert Hardaway, he is coauthor of Aviation Law and Regulation (1993).