Primary production of phytoplankton and periphyton in two humic lakes of a South American wetland.Published in:Limnology, 2012, v. 13, n. 3, p. 281, doi. 10.1007/s10201-012-0373-9By:Rodríguez, Patricia;Vera, M.;Pizarro, HaydéePublication type:Article