TY  - BOOK
AU  - Ward R. C.
AU  - M. Robinson
TI  - Principles of Hydrology
SN  - 0077072049
AV  - GB661.2  .W35  1990 
PY  - 1990///
CY  - New York
PB  - McGraw-Hill book company
KW  - Hydrology
N1  - Includes index
ER  -