9W. K. Dodds, V. H. Smith, B. Zander. Developing nutrient targetsto control benthic chlorophyll-a levels in streams: a case study ofthe Clark fork river(J]. Water Res” 1997,31:1738-1750.
10H. P. Jarvie, B. A. Whitton, C. Neal. Nitrogen and phosphorus inEast Coast British rivers: speciation, sources and biological signif-icance[J]. Sci. Total Environ.,2010,79-109.