TY  - BOOK
AU  - Harbaugh, Terence E.
AU  - Knapp, John W.
AU  - Lewis, Gary L.
AU  - Viessman, Warren
TI  - Introduction to hydrology
SN  - 0700224971
U1  - 551.48 21st ed.
PY  - 1977///
CY  - New York
PB  - Harper and Row, Publishers
KW  - Hydrology
N1  - Index: pp 693-704
ER  -