TY  - BOOK
ED  -  United Nations. Department of Economic and Social Affairs.
TI  -  Appropriate technologies in civil engineering works in developing co untries : : an appraisal of the state of the art
U1  -  MISR 624.091724 UNI 
PY  - 1976///
CY  -  New York : 
PB  -  United Nations, 
KW  -  Appropriate technology
KW  -  Developing countries
KW  -  Civil engineering
ER  -