3Torbj?rn Tirén,Kurt Pettersson. The influence of nitrate on the phosphorus flux to and from oxygen depleted lake sediments[J] 1985,Hydrobiologia(3):207~223
4T. B. Reynoldson,H. R. Hamilton. Spatial heterogeneity in whole lake sediments — towards a loading estimate[J] 1982,Hydrobiologia(1):235~240