Beard F, Koenig R, Miller B. An Alternative Approach to Site Selection and Frequency for Global Positioning System Soil Mapping. jastm [Internet]. 2001 Jan. 1 [cited 2026 Aug. 25];14(1). Available from: https://ticket17180.pkpmisc01.publicknowledgeproject.org/index.php/jastm/article/view/11771