Monitoring of ecological change in wetlands of middle Europe : proceedings of an International Workshop in Linz, Austria, 26-30 October 1993 - Aubrecht, Gerhard; Dick, Gerald; Prentice, Crawford; International Waterfowl and Wetlands Research Bureau (Austria : Botanische Arbeitsgemeinschaft am Oberosterreichischen Landesmuseum, 1994)
Keywords: Wetlands -- Europe; Constructed wetlands -- Europe