1 volume (various pagings) : illustrations ; 28 cm
OCLC
ocm27832324
Distributed to depository libraries in microfiche.
"October 1991."
"March 1992"--Cover.
"A second volume of this study, entitled Market analysis of choice of method of payment for CTA riders, is available at cost through the National Technical Information Service, Springfield, Virginia 22161"--P. [ii] of cover.
"DOT-T-92-19."
Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1992] 2 microfiches : negative.