@misc{indiciae66af92d70ce1, title = {Lead retention in zircons}, author = {K.R. Ludwig and R. E. Zartman and S. S. Goldich}, year = {1984}, doi = {10.1126/science.223.4638.835.a}, url = {https://pubs.usgs.gov/publication/70013529}, note = {Source identifier: 70013529} }