Managing intellectual property issues in a commons of geographic data.

James Campbell Marilyn Lutz David McCurry Harlan Onsrud Kenton Williams Managing intellectual property issues in a commons of geographic data. 347 2006 conf/jcdl/2006 JCDL http://doi.acm.org/10.1145/1141753.1141842 db/conf/jcdl/jcdl2006.html#CampbellLMOW06