@misc{indiciaeae83f57fe4c9, title = {Summary of the research work of the trace elements section, geochemistry and petrology branch, for the period January 1 - June 30, 1951}, author = {John C. Rabbitt}, year = {1951}, doi = {10.3133/tei167}, url = {https://pubs.usgs.gov/publication/tei167}, note = {Source identifier: tei167} }