Rosemarin, Arno S.2009-03-232009-03-2319741974Source: Masters Abstracts International, Volume: 40-07, page: .http://hdl.handle.net/10393/7296http://dx.doi.org/10.20381/ruor-15261Biology, General.Seasonal variation in primary productivity and biomass of the phytoplankton and periphyton in the Ottawa River near Ottawa, Canada.Thesis