TY  - BOOK
AU  - Bear,J.
AU  - Irmay,S.
ED  - Unesco.
TI  - Physical principles of water percolation and seepage
PY  - 1968///
CY  - Paris
PB  - Unesco
KW  - Percolation
KW  - Seepage
KW  - Water
KW  - Filtration
N1  - Includes index
ER  -