@misc{indiciae1abf9e4344b2, title = {Summary of the research work of the trace elements section geochemistry and petrology branch for the period July 1 - September 30, 1951}, author = {John C. Rabbitt}, year = {1952}, doi = {10.3133/tei182}, url = {https://pubs.usgs.gov/publication/tei182}, note = {Source identifier: tei182} }