TY - CPAPER AU - Baumell, C. Phillip DA - 1993 DA - 1993 DO - 10.22004/ag.econ.311909 DO - doi ID - 311909 KW - Research and Development/Tech Change/Emerging Technologies L1 - https://ageconsearch.umn.edu/record/311909/files/agecon-trf-0498a.pdf L2 - https://ageconsearch.umn.edu/record/311909/files/agecon-trf-0498a.pdf L4 - https://ageconsearch.umn.edu/record/311909/files/agecon-trf-0498a.pdf LA - eng LK - https://ageconsearch.umn.edu/record/311909/files/agecon-trf-0498a.pdf N1 - Proceedings of the Transportation Research Forum - 35th -1993 PY - 1993 PY - 1993 T1 - Future Directions in Transportation Research TI - Future Directions in Transportation Research UR - https://ageconsearch.umn.edu/record/311909/files/agecon-trf-0498a.pdf VL - 1993 (35) Y1 - 1993 ER -