Air traffic control : role of FAA's modernization program in reducing delays and congestion : statement of Gerald L. Dillingham, Director, Physical Infrastructure Issues, before the Subcommittee on Aviation, Committee on Commerce, Science, and Transportation, U.S. Senate
Paper version available from the General Accounting Office.
Includes bibliographical references.
Mode of access: Internet from the GPO Access web site (PDF files only). Address as of 07/02/01: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=gao&docid=f:d01725t.pdf; current access is available via PURL.