Manual for the compilation of balances of water resources and needs /    
Economic Commission for Europe. 
 - New York :   United Nations,   1974. 
 - viii, 80 p. :    ill. ;    28 cm. 
 - [Document] - United Nations ; ECE/WATER/5   .
<br/><br/>  "United Nations publication. Sales no. E.74.II.E.2." 
<br/><br/>Bibliography: p. 65-77. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water resources development ----Europe.----