D E Firth

HUMAN FACTORS IN TRANSPORT RESEARCH. VOLUME 2. USER FACTORS: COMFORT, THE ENVIRONMENT AND BEHAVIOUR

E Grandjean, R Rebiffe, I H Veling, 1980 .

THE ROAD SAFETY ASPECTS OF THE TUFTY CLUB

D E Firth, 1973 .

CHILDREN'S USE OF CROSSING FACILITIES

D E Firth, 1979 .