Investigation and development of materials resources =
Investigation and development of materials resources =
Investigación y desarrollo de recursos de materiales = Investigation et développement des gisements de matériaux routiers.
- Washington : Transportation Research Board, Commission on Sociotechnical Systems, National Research Council, National Academy of Sciences, 1979.
- xxiv, 220 p. : ill. ; 28 cm.
"Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." Includes index.
0309028213
Road materials--Developing countries.
Roads--Surveying.--Developing countries
MCE
625.735 / NAT
"Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." Includes index.
0309028213
Road materials--Developing countries.
Roads--Surveying.--Developing countries
MCE
625.735 / NAT