D L Bullard

发表

THE IMPACT OF DECLINING MOBILITY IN MAJOR TEXAS AND OTHER U.S CITIES. FINAL REPORT

T J Lomax, D L Bullard, J W Hanks, 1988 .

HOUSTON PARK-AND-RIDE FACILITES: AN ANALYSIS OF SURVEY DATA

D L Christiansen, R L Peterson, D L Bullard, 1981 .

Texas public transit reference manual

L G Nungesser, D L Bullard, 1985 .

A summary of carpool survey data from the Katy, Northwest and Gulf Transitways

D L Bullard, 1989 .