The new rivers & wildlife handbook 

 - England :   KPC Group,   1993. 
<br/><br/><label>ISBN: </label>0903138700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGIA<br/>RIOS<br/>VIDA SALVAJE
<br/><br/><label>Universal Decimal Class. No.: </label>574:556.52