Helsel, Dennis R. <br/><br/>
Statistical methods in water resources / 
D.R. Helsel and R.M. Hirsch. 
 - New York :  Elsevier,  c1992. 
 - 529 pages :  illustrations ;  25 cm.  
 - Studies in environmental science ;  49 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0444885285 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply engineering--Statistical methods.<br/>Hydrology--Statistical methods.
<br/><br/><label>Dewey Class. No.: </label>628.1015195 HEL