gn 
hic 
nd 
1g. 
nal 
ion 
ion 
es: 
ent 
nal 
nt. 
rth 
ity 
for 
1ed 
  
Rao, D.P. 
Trotter, C. M.,1991,Remotelysensed data as information source for geographic information 
system in natural resource management: A review. International Journal of Remote 
Sensing.5:225-239, 
UNDP,1996, Human development report. United Nations Development Programme. 
U.S. Department of Agriculture, 1998. Keys to Soil Taxonomy, Government Printing Office, 
Washington, D.C. 
UNEP,1993, Environmental report1993-1994Blackwell Oxford, USA; Cambridge, UK. 
W.E.C.D. 1987, Our Common Fiuture. Oxford University Press. 
Warkentin, BP, 1995, The Changing concepts of soil quality. J: Soil and Water Cons. 50, 226-228. 
Welch, R.A., Fernandes, N. and Jordan, T.1993, GIS modeling of non-point source pollution 
with remotely sensed data. Proc. of the 1993 Georgia Water Resources Conference, April 20 
and 21, 1993 at the University of Georgia, Kathryn, J. Hatcher, Editor. Institute of Natural 
Resources, the University of Georgia, Athens, Georgia. 
Welsh, R.; Remillard, M., and Albert,]., 1992, Integration of GPS, remote sensing and GIS 
techniques for coastal resource management. Photogrammetric Engineering and Remote 
Sensing.46:1027-1038. 
Wilkinson, R.G., 1973. Poverty and Progress. Methuen, London. 
  
International Archives of Photogrammetry and Remote Sensing. Vol. XXXIII, Part B7. Amsterdam 2000. 1251