On geospatial agentsMeriste, Merik; Mõtus, Leo; Kelder, Tõnis; Helekivi, Jüri; Marandi, AndresProc. 1st International Conference on Web Information Systems and Technologies : WEBIST20052005 / p. 210-213 https://www.scitepress.org/PublishedPapers/2005/12304/12304.pdf