Mrozewski, Tomasz. “Planetary GIS and the USGS Astrogeology Science Center”. Bulletin - Association of Canadian Map Libraries and Archives (ACMLA), no. 161 (April 1, 2019): 17–20. Accessed June 14, 2025. https://openjournals.uwaterloo.ca/index.php/acmla/article/view/725.