Stern, Richard A., and Wouter Bleeker. “Age of the World’s Oldest Rocks Refined Using Canada’s SHRIMP: The Acasta Gneiss Complex, Northwest Territories, Canada”. Geoscience Canada 25, no. 1 (March 3, 1998). Accessed April 24, 2024. https://journals.lib.unb.ca/index.php/GC/article/view/3966.