TY  - BOOK
AU  - American Association of State Highway and Transportation Officials
TI  - Standard specifications for transportation materials and methods of sampling and testing
SN  - 978-1-56051-420-6
U1  - 690.2/Am35st/2008 
PY  - 2008///
CY  - [Washington, Estados Unidos] 
PB  - AASHTD
KW  - MATERIALES - PRUEBAS
KW  - MATERIALES PARA CARRETERAS
KW  - NORMAS (INGENIERIA)
ER  -