TY  - BOOK
ED  - United Nations.
TI  - Appropriate technologies in civil engineering works in developing countries: an exploratory appraisal of the state of the art
T2  - [Document] - United Nations
U1  - 338.4 
PY  - 1976///
CY  - New York
PB  - United Nations
KW  - Developing countries
KW  - Public works
N1  - "United Nations publication. Sales no. E.76.II.A.2."
ER  -