1. Ainstein, L., 2012. Urbanización, medio ambiente y sustentabilidad en Argentina. Cuaderno Urbano Resistencia 12(12): 173–189.
2. Aloi, J. E., 1990. A critical review of recent freshwater periphyton field methods. Canadian Journal Fisheries Aquatic Science 47: 656–670.
3. Aminot, A., 1983. Dosage de la chlorophylleet des phéopigment par spectrophotométric. Pp. 177–189 pp en A. Aminot and M. Chansspied, (eds) Manual des analyses chimiques en Milienmarin Centre National pour L´Explotation des Océans, Brest, Francia.
4. Amuchástegui, G., L. di Franco & C. Feijoó, 2016. Catchment morphometric characteristics, land use and water chemistry in Pampean streams: a regional approach. Hydrobiologia 767: 65–79.
5. APHA, 2005. Standard Methods for the examination of water and waste water. A. Eaton, L. Clesceri, E. Rice, & A. Greenberg, (eds) American Public Health Association.