Roadside obstacles their effects on the frequency and severity of accidents, development and evaluation of countermeasures : a report
Organisation for Economic Co-operation and Development.Road Research Group on the Effects of Roadside Obstacles on the Frequency and Severity of Accidents.
Paris O.E.C.D. [London] [H.M.S.O.]
1975
Bibliography: p.124
ISBN 92-64-11392-4
Traffic accidents