Freshwater ecosystem services - Aylward, Bruce; Bandyopadhyay, Jayanta; Belausteguigotia, Juan-Carlos; Borkey, Peter; Cassar, Angela; Meadors, Laura; Saade, Lilian; Siebentritt, Mark; Stein, Robyn; Tognetti, Sylvia S.; Tortajada, Cecilia; Allan, Tony; et al. (Island Press, 2005)