TY  - BOOK
AU  - Ward, R.C.
TI  - Principles of Hydrology
U1  - 551.49 
PY  - 1967///
CY  - London
PB  - McGraw-Hill Publishing Company Ltd.
KW  - Pure Sciences
KW  - Science of the earth and other worlds
KW  - Groundwater
KW  - Hydrology
ER  -