@inproceedings{1c72b12e40cf40869897181877be1935,
title = "Assessment of Finnra's traffic information services - survey questionnaires and instructions",
author = "Merja Penttinen and Pirkko R{\"a}m{\"a} and Virpi Harjula",
note = "PNA: Anttila, Virpi; 5th World Congress on Intelligent Transport Systems ; Conference date: 12-10-1998 Through 16-10-1998",
year = "1998",
language = "English",
isbn = "89-950073-1-1",
booktitle = "5th World Congress on Intelligent Transport Systems",
publisher = "Intelligent Transportation Society of America - ITS America",
address = "United States",
}