Global perspectives on river conservation  Science, Policy and practice 
ed by P.J. Boon, B.R. Davies and G.E. Petts 
 - Chichester  John Wiley & Sons  2000 
 - xvi,548p. 
<br/><br/><label>ISBN: </label>0471960624 
<br/><br/><label>Dewey Class. No.: </label>333.916216  / P