European Water Resources Association Conference(Copenhagen   <br/><br/>
Operational water management  Proceedings 
ed. by J C Refsgaard and E A Karalis 
 - Rotterdam  A.A.Balkema  1997 
 - xi, 474p. 
<br/><br/><label>ISBN: </label>9054108975 
<br/><br/><label>Dewey Class. No.: </label>628.11  / N97