Introductory Readings In Geographic Information Systems
Redigert av D F Marble, D J Peuquet, 1990.
Even though Geographic Information Systems GIS have been available for over 20 years, they have only recently become accessible to geographers and others as a useful tool in spacial analysis. This is a sampling of basic principles of GIS, as well as
Introductory Readings In Geographic Information Systems
Redigert av D F Marble, D J Peuquet, 1990.
Even though Geographic Information Systems GIS have been available for over 20 years, they have only recently become accessible to geographers and others as a useful tool in spacial analysis. This is a sampling of basic principles of GIS, as well as