TY  - BOOK
AU  - Pennington,Karrie Lynn.
AU  - Cech ,Thomas.V.
TI  - Water Resources and Environmental Issues
SN  - 9780521869881
U1  - 331.91 
PY  - 2011///
CY  - New York.
PB  - Cambridge University Press.
KW  - Water
KW  - Hydrologic cycle
KW  - Water conservation
ER  -