共 18 条
- [1] Applied multivariate techniques. Sharma S. . 1996
- [2] Summer maxima of phytoplankton in the Ri-mov reservoir in relation to hydrologic parameters and phosphors load-ing. Komarkova J,Hejzlar J. Archiv fur Hydrobiologie . 1996
- [3] Climate zones of the conterminous United Statesdefined using cluster analysis. Fovell R,Fovell M Y. Jounal of Climate . 1993
- [4] The Ecology of Freshwater Phytoplankton. Reynolds C S. . 1984
- [5] Spatial clustering of metals inthe sediments of the Skagerrak/Kattegat. Danielsson A,Cato I,Carman R,et al. Applied Geochemistry . 1999