default search action
"Taxonomy for surveying the use and value of geographical information!"
Hugh W. Calkins, Nancy J. Obermeyer (1991)
- Hugh W. Calkins, Nancy J. Obermeyer:
Taxonomy for surveying the use and value of geographical information! Int. J. Geogr. Inf. Sci. 5(3): 341-351 (1991)
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.