Highway research abstracts. - Trimestral - Vol. 23, no. 1 (spring 1990)-v. 27, no. 3 (fall 1994) ISSN: 1050-0804 = Highway research abstracts (1990) = Highw. res. abstr. (1990) Subjects--Topical Terms: Transporte. LC Class. No.: TE1 Dewey Class. No.: 388.1