TY  - BOOK
AU  - Hydrologic Engineering Center
AU  - Cooley, Richard L.
TI  - A finite difference method for analyzing liquid flow in variably saturated Porous media
U1  - 620.001 N70 
PY  - 1970///
CY  - California
PB  - H.E.C.
KW  - Porous media
ER  -