@misc{indiciae230a6a6a5b75, title = {Lead-alpha age determinations of accessory minerals of igneous rocks (1953-1957)}, author = {Howard W. Jaffe and David Gottfried and Claude L. Waring and Helen W. Worthing}, year = {1959}, doi = {10.3133/b1097b}, url = {https://pubs.usgs.gov/publication/b1097B}, note = {Source identifier: b1097B} }