TY  - BOOK
AU  - Bear, J.
AU  - Irmay, S.
AU  - Zaslavsky, D.
TI  - Physical Principles of Water Percolation and Seepage
U1  - 628.352 
PY  - 1968///
CY  - USA
PB  - UNESCO
KW  - Engineering and allied operations
KW  - Technology (Applied sciences)
KW  - Water filtration
ER  -