http://wikhydro.developpement-durable.gouv.fr/index.php/Nitrification_(HU) Magaud, H., Migeon, B., Morfin, P., Garric, J., Vindimian, E. (1997) :Modelling fish mortality due to urban storm run-off: Interacting effects of hypoxia and un-ionized ammonia ; Water research ; Volume: 31 ; Issue 2 (1997) ; pp 211-218.ISSN: 0043-1354