Haynes,R.ed.Environmental Science Methods.New York.Chapman and Hall.1982
[2]
Jenkins.S.H.,Advances in Water Pollution Researck.Perganion Press,London.New York,1970
[3]
Robinson,G.S.and Frei,W.,University of Southera California Final Research Report on Computer Processing of ERTS Image,University of Southern California,1978.
