1. Evaluating obsidian calibration sets with portable X-Ray fluorescence (ED-XRF) instruments. (October 2021) Authors: Martindale Johnson, Lucas R.; Ferguson, Jeffrey R.; Freund, Kyle P.; Drake, Lee; Duke, Daron Journal: Journal of archaeological science Issue: Volume 39(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗