Advances in GIS research : proceedings of the Sixth International Symposium on Spatial Data Handling /
International Symposium on Spatial Data Handling(6th :1994 :Edinburgh, Scotland)
Waugh, T. C.(Tom C)
Healey, Richard G.
International Geographical Union.Commission on Geographic Information Systems.
Association for Geographic Information.
London : Taylor & Francis,
c1994.
'International Geographical Union Commission on GIS, Association for Geographic Information' - t.p.
Geographic information systems