共 10 条
- [1] HAMMOND HF, 1940, OCT WEST SAF C
- [2] HOLMES EH, 1970, TO GROW WITH NEEDS
- [3] JAMES EW, 1965, MAR COMM HIST DEV TR
- [4] KELCEY GG, 1923, HIGHWAY TRANSPORTATI
- [5] MUELLER EA, 1970, IEEE T VEHICULAR TEC
- [6] NOBLE CM, 1962, TRANSPORTATION CHALL
- [7] POWELL, HISTORY PROFESSION
- [8] POWELL WB, UNPUBLISHED MANUSCRI
- [9] SMITH WS, 1965, TRAFFIC ENGINEERING
- [10] 1931, ITE P