TY  - BOOK
ED  - American Society for Testing and Materials
TI  - Simposium on permeability of soils
T2  - ASTM, special technical publications
U1  - 631.43 
PY  - 1955///
CY  - Chicago, Ill.
PB  - American Society for Testing and Materials
KW  - Suelos
KW  - Percolación
ER  -