TY  - RPRT
TI  - Evidence from Cd/Ca ratios in foraminifera for greater upwelling off California 4,000 years ago
AU  - A. VanGeen
AU  - N. Luoma
AU  - C. C. Fuller
AU  - R. Anima
AU  - H.E. Clifton
AU  - S. Trumbore
PY  - 1992
DO  - 10.1038/358054a0
UR  - https://pubs.usgs.gov/publication/70017305
ID  - 70017305
ER  -