Macrophytes in aquatic ecosystems: from biology to management : proceedings of the 11th International Symposium on Aquatic Weeds, European Weed Research Society / edited by J. M. Caffrey ... [et al.] ; with the technical assistance of M. H. Montel . Dordrecht :  Springer , c2006 . xi, 263 s . ISBN 978-1-4020-5389-4 . [1, of that borrowed 0]