B. Bellanger, S. Huona, P. Steinmann, F. Chabaux, F. Velasquez, V. Valles, K. Arn, N. Clauer and A. Mariotti, “Oxic-Anoxic Conditions in the Water Column of a Tropical Freshwater Reservoir (Pea-Large dam, NW Venezuela),” Applied Geochemistry, Vol. 19, No. 8, 2004, pp.1295-1314. doi10.1016/j.apgeochem.2003.11.007 - References - Scientific Research Publishing