Low-cost water crossings =
Low-cost water crossings = Travesías de agua de bajo costo = Ouvrages de franchissement d'eau économiques /
Transportation Research Board, Commission on Sociotechnical Systems, National Research Council.
- Washington : National Academy of Sciences, 1979.
- xxii, 176 p. : ill. ; 28 cm.
"Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." Includes index.
0309028167
Bridges.
Bridges--Developing countries.
MCE
624.208 / NAT
"Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." Includes index.
0309028167
Bridges.
Bridges--Developing countries.
MCE
624.208 / NAT