TY  - BOOK
AU  - Hjelmfelt, Allen T.
AU  - Cassidy, John J.
TI  - Hydrology for engineers and planners
SN  - 0813807956
U1  - 556:62 H68H 
PY  - 1975///
CY  - Iowa
PB  - Iowa state university press
KW  - Hydrology
ER  -