TY  - BOOK
ED  - National Research Council (U.S.).
TI  - Investigation and development of materials resources =
SN  - 0309028213
U1  - 625.735 
PY  - 1979///
CY  - Washington
PB  - Transportation Research Board, Commission on Sociotechnical Systems, National Research Council, National Academy of Sciences
KW  - Road materials
KW  - Developing countries
KW  - Roads
KW  - Surveying
KW  - MCE
N1  - "Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development."; Includes index
ER  -