Hjelmfelt, Allen T.,  1937-, <br/><br/>
Hydrology for enginners and planners / 
By a.t. jhelmefelt and j. j. cssidy 
 - 210 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidrología<br/>Ingeniería civil
<br/><br/><label>LC Class. No.: </label>GB661  / H43