TY - RPRT TI - Lead and strontium isotopes as monitors of anthropogenic contaminants in the surficial environment AU - Robert A. Ayuso AU - Nora K. Foley PY - 2018 DO - 10.1016/b978-0-444-63763-5.00013-6 UR - https://pubs.usgs.gov/publication/70193307 ID - 70193307 ER -