共 17 条
[4]
The use of faces to represent points in k-dimensional space graphically. H Chernoff. Journal of the American Statistical Association . 1973
[5]
Variable influence of the atmo-spheric flux on the trace metal chemistry of oceanic suspended matter. Buat-Menard P,Chesselet R. Earth and Planetary Science . 1979
[6]
An ecological risk index for aquatic pollution control. A sedimentological approach. Hakanson L. Water Research . 1980