@misc{indiciae39a396140795, title = {A spectrochemical method for the semiquantitative analysis of rocks, minerals, and ores}, author = {A.T. Myers and Raymond Gilbert Havens and P. J. Dunton}, year = {1961}, doi = {10.3133/b1084i}, url = {https://pubs.usgs.gov/publication/b1084I}, note = {Source identifier: b1084I} }