@misc{indiciae36317c2d3381, title = {El NiƱo-Southern oscillation variability from the late cretaceous marca shale of California}, author = {Andrew Davies and Alan E.S. Kemp and Graham P. Weedon and John A. Barron}, year = {2012}, doi = {10.1130/g32329.1}, url = {https://pubs.usgs.gov/publication/70032618}, note = {Source identifier: 70032618} }