Monitoring of ecological change in wetlands of middle Europe :  proceedings of an International Workshop in Linz, Austria, 26-30 October 1993 / 
edited by Gerhard Aubrecht, Gerald Dick & Crawford Prentice 
 - Austria :  Botanische Arbeitsgemeinschaft am Oberosterreichischen Landesmuseum,  1994 
 - 224 p. :  ill. ;  30 cm. 
 - IWRB publication ;  No. 30 .
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wetlands--Europe<br/>Constructed wetlands--Europe