TY  - BOOK
ED  - E.U.A. Bureau of Reclamation
TI  - Earth manual ; a guide to the use of soils as foundations and as construction materials for hydraulic structure
U1  - 620.142 
PY  - 1963///
CY  - Denver, Col.
PB  - B.R.
KW  - Construcción de tierra
ER  -