Caption title.
Distributed to depository libraries in microfiche.
Shipping list no.: 94-0734-M.
"Issued July 1994"--P. [4].
"Publication no. FHWA-RD-94-023"--P. [4].
Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1994] 1 microfiche : negative.