TY  - RPRT
TI  - A dynamic marine calcium cycle during the past 28 million years
AU  - E.M. Griffith
AU  - A. Paytan
AU  - K. Caldeira
AU  - T.D. Bullen
AU  - E. Thomas
PY  - 2008
DO  - 10.1126/science.1163614
UR  - https://pubs.usgs.gov/publication/70032848
ID  - 70032848
ER  -