TY  - GEN
AU  - Cedergren, Harry R.
TI  - Seepage, Drainage, and Flow Nets
SN  - 0471611786
U1  - 624.15136 CED 
PY  - 1988///
CY  - New York
PB  - John Willey and Sons
KW  - Seepage
KW  - Drainage
ER  -