Hall, M. R. - Hall, W. E. - Pierce, C. H. <br/><br/>
A method of determining the daily discharge of rivers of variable slope. 

 - Washington  Government Printing Office  1914 
 - pp. 53-65 
<br/><br/> Impreso 
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA