TY  - BOOK
AU  - Helsel,Dennis R.
AU  - Hirsch,Robert M.
TI  - Statistical methods in water resources
T2  - Studies in environmental science
SN  - 0444885285
U1  - 628.1015195 HEL 23
PY  - 1992///
CY  - New York
PB  - Elsevier
KW  - Water-supply engineering
KW  - Statistical methods
KW  - Hydrology
N1  - Includes bibliographical references
ER  -