Description
Note:Imprint varies: Cambridge, Mass., <1985-198 , 2nd quarter, 1990 >; Washington, D.C., 198 -<4th quarter, 1989, 3rd quarter, 1990->
Description based on: 2nd quarter and 12 months ended June 1984 and 1985; title from cover.
Microform.
Call Number:TD 12.15/3:
Publication Frequency:Quarterly.
ISSN:0898-2899
Reproduction Note:
Microfiche. <1990-> Washington, D.C. : Supt. of Docs., U.S. G.P.O. microfiches : negative.
Issuing Body Note:
Vols. for <1985-1st quarter 1989>, 1st-2nd quarter, 1990 issued by: U.S. Dept. of Transportation, Research and Special Programs Administration, Transportation Systems Center, Center for Transportation, Information; 198 -1989 by: U.S. Dept. of Transportation, Research and Special Programs Administration, Office of Aviation Information Management; 3rd quarter 1990- by: U.S. Dept. of Transportation, Research and Special Programs Administration, Office of Airline Statistics.