共 5 条
[1]
CANTZ R, 1972, HIGHWAY RESEARCH REC, P418
[2]
HOLMQUIST C, IN PRESS
[3]
KULLBERG G, 1965, 38 SWED ROAD I SPEC
[4]
OHLSSON E, 1973, 149 NAT ROAD TRAFF R
[5]
SUNDSTROM KE, 1972, DETECTOR STUDDED TIR