TY  - BOOK
AU  - Crum, Roy Winchester,
AU  - Upham, Charles Melville,
AU  - Hatt, William Kendrick,
ED  - National Research Council. Highway Research Board.
TI  - Proceedings of the annual meeting of the highway research board. 2d- 1922
AV  - TE1 N45
PY  - 1923///-9999
CY  - Washington, D.C.
KW  - Carreteras
KW  - Estados Unidos
KW  - Sociedades, etc
ER  -