R D Hume

TRI-LEVEL STUDY OF THE CAUSES OF TRAFFIC ACCIDENTS. VOLUME II: SPECIAL ANALYSES

J R Treat, David Shinar, N S Tumbas, 1977 .

TRUCK, BUS, AND MOTORCYCLE SAFETY STATUS METHODOLOGY. VOLUME I: TECHNICAL SUMMARY

J R Treat, R W Harris, R D Hume, 1977 .

TRI-LEVEL STUDY OF THE CAUSES OF TRAFFIC ACCIDENTS. EXECUTIVE SUMMARY

J R Treat, David Shinar, S T McDonald, 1979 .

TRI-LEVEL STUDY OF THE CAUSES OF TRAFFIC ACCIDENTS. VOLUME I: CASUAL FACTOR TABULATIONS AND ASSESSMENTS

J R Treat, David Shinar, N S Tumbas, 1977 .