TY  - BOOK
AU  - Ernst, L. F.
TI  - Analysis of groundwater flow to deep walls in areas with a non-linear function for the subsurface drainage
KW  - Agua subterranea
KW  - Drenaje
KW  - Pozos
N1  - Sobretiro de : Journal of Hydrology 14 : 158-180, 1971
ER  -