TY  - GEN
AU  - Todd, David Keith2654
TI  - Groundwater hydrology.../2nd ed
SN  - 047187616X
U1  - 624.131.54 
PY  - 1980///
CY  - New York
PB  - John Wiley
KW  - Water, understand
KW  - 624.131.54
KW  - CE 705
ER  -