Methodological guidelines for the integrated envir 

 - Paris  Unesco            1987 
 - 152p.  cm. 
 - Internation Hydrological Programme Publication .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical
<br/><br/><label>Dewey Class. No.: </label>X9(D85):(G:55), M7