%0 Generic %T Investment in the nation's air transportation system : hearing before the Joint Economic Committee, Congress of the United States, One Hundredth Congress, first session, October 2, 1987. %U https://ezaccess.libraries.psu.edu/login?url=https://www.heinonline.org/HOL/Page?handle=hein.cbhear/atsys0001&id=1&size=2&collection=congrec&index=cbhear