Aquatic macrophytes as biological indicators of environmental conditions of rivers in north-eastern SpainM. Onaindia, I. Amezaga, C. Garbisu and B. García-BikuñaAnn. Limnol. - Int. J. Lim., 41 3 (2005) 175-182DOI: https://doi.org/10.1051/limn:20054130175
