@misc{indiciae8345c92a4e28, title = {A list of references on lead isotope geochemistry, 1970-1974: (with an annendum to previous lead isotope listings)}, author = {Bruce R. Doe}, year = {1977}, doi = {10.3133/ofr77749}, url = {https://pubs.usgs.gov/publication/ofr77749}, note = {Source identifier: ofr77749} }