TY  - BOOK
ED  - National Research Council (U.S.).
TI  - Stage construction
SN  - 0309029775
AV  - TE175 .N32 1979
U1  - 625.725091724 
PY  - 1979///
CY  - Washington, D.C.
PB  - National Academy of Sciences
KW  - Roads
KW  - Developing countries
KW  - Design and construction
N1  - Errata slip inserted; "Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development; Bibliography: p. 37
ER  -