@misc{indiciae58ec525f1a43, title = {Improved electron probe microanalysis of trace elements in quartz}, author = {John J. Donovan and Heather Lowers and Brian G. Rusk}, year = {2011}, doi = {10.2138/am.2011.3631}, url = {https://pubs.usgs.gov/publication/70003647}, note = {Source identifier: 70003647} }