TY  - BOOK
AU  - Smith,Nathan L.
ED  - National Research Council (U.S.).
ED  - American Association of State Highway and Transportation Officials.
ED  - United States.
TI  - Material certification and material-certification effectiveness
SN  - 0309035635 (pbk.) :
AV  - TE203 .S65 1983
U1  - 625.7 19
PY  - 1983///]
CY  - Washington, D.C.
PB  - Transportation Research Board
KW  - Road materials
KW  - Specifications
N1  - "Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."; "November 1983."
ER  -