J.C. Frey <br/><br/>
Economics of water supply planning and mangement 

 - Pennsyivania  Pennsylvania State University  1975 
 - 145p 
<br/><br/>J.C. Frey; H.B. Camble & O.H. Sauerlender: Economics of water supply planning and mangement.  Pennsyivania.  Pennsylvania State University, 1975.--(628.1FRE)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>628.1  / FRE