TY  - RPRT
TI  - Gold and platinum in shales with evidence against extraterrestrial sources of metals
AU  - R.M. Coveney
AU  - J.B. Murowchick
AU  - R. I. Grauch
AU  - M.D. Glascock
AU  - J.R. Denison
PY  - 1992
DO  - 10.1016/0009-2541(92)90033-2
UR  - https://pubs.usgs.gov/publication/70017029
ID  - 70017029
ER  -