Caro-Borrero, A. et al. 2015. Evaluation of ecological quality in peri-urban rivers in Mexico City: a proposal for identifying and validating reference sites using benthic macroinvertebrates as indicators. Journal of Limnology. 75, s1 (Aug. 2015). DOI:https://doi.org/10.4081/jlimnol.2015.1304.