Pulido, C., J. L. Riera, E. Ballesteros, E. Chappuis, and E. Gacia. “Predicting Aquatic Macrophyte Occurrence in Soft-Water Oligotrophic Lakes (Pyrenees Mountain Range)”. Journal of Limnology, vol. 74, no. 1, Aug. 2014, doi:10.4081/jlimnol.2014.965.