TY  - RPRT
TI  - Composition of the earth's upper mantle-I. Siderophile trace elements in ultramafic nodules
AU  - J. W. Morgan
AU  - G.A. Wandless
AU  - R.K. Petrie
AU  - A.J. Irving
PY  - 1981
DO  - 10.1016/0040-1951(81)90209-2
UR  - https://pubs.usgs.gov/publication/70012107
ID  - 70012107
ER  -