TY  - BOOK
AU  - Manuel Aguilar
TI  - 4th Congress- Sevilla, 1923: General Reports
PY  - 1923///
CY  - France
KW  - English
KW  - General
N1  - 1st Section: Construction and Maintenance.
1st Question.
.
Surfacing of Roads with Concrete; Permanent International Association of Road Congresses
Paris
ER  -