TY  - BOOK
AU  - Hay,William W.
TI  - An introduction to transportation engineering
PY  - 1977///
CY  - New York
PB  - Wiley
KW  - TRANSPORTES
KW  - LEMB
N1  - Appendix 1 Typical transport units: p. 616; Appendix 2 Problem examples: p. 628; Index: p637
ER  -