TY  - RPRT
TI  - The determination of lead in 13 USGS standard rocks
AU  - P. J. Aruscavage
AU  - E.Y. Campbell
PY  - 1979
DO  - 10.1016/0039-9140(79)80018-1
UR  - https://pubs.usgs.gov/publication/70010344
ID  - 70010344
ER  -