TY  - GEN
AU  - Helsel, D.R.
AU  - Hirsch, R.M.
TI  - Statistical methods in water resources
SN  - 0444885285
PY  - 1992///
CY  - Amsterdam
PB  - Elsevier
KW  - WATER RESOURCES
KW  - STATISTICAL METHODS
N1  - Includes a 5 1/4" floppy disk
ER  -