Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ TIE- JA LIIKENNEALAN TUTKIMUKSIA SUOMESSA : VUOSIKIRJA = ROAD AND TRAFFIC RESEARCH IN FINLAND : YEARBOOK https://trid.trb.org/View/221215 Thu, 31 Oct 1985 00:00:00 GMT https://trid.trb.org/View/221215 ROAD AND TRAFFIC RESEARCH IN FINLAND. YEARBOOK 1983 https://trid.trb.org/View/211396 Sun, 30 Jun 1985 00:00:00 GMT https://trid.trb.org/View/211396 ROAD AND TRAFFIC RESEARCH IN FINLAND. YEARBOOK 1981 https://trid.trb.org/View/201649 Fri, 30 Mar 1984 00:00:00 GMT https://trid.trb.org/View/201649 ROAD AND TRAFFIC RESEARCH IN FINLAND. YEARBOOK 1982 https://trid.trb.org/View/201652 Fri, 30 Mar 1984 00:00:00 GMT https://trid.trb.org/View/201652