@inproceedings{ff8b3023f41046a28a5d061b9d20087e,
title = "Kolmen tieymp{\"a}rist{\"o}n parantamistoimenpiteen kannattavuudenarviointi",
keywords = "guardrail, rockwall, run-off-the-road accident, guardrail, rockwall, run-off-the-road accident, guardrail, rockwall, run-off-the-road accident",
author = "M. Kelkka and V-P. Kallberg",
year = "1998",
language = "English",
pages = "s.A6--A8",
editor = "Suomen Tieyhdistys",
booktitle = "Tie ja Liikenne 1998, H{\"a}meenlinna, 7.-8.10.1998",
publisher = "Suomen Tieyhdistys, Ranta & Perkki{\"o}",
}