@misc{indiciae9f0489a10906, title = {Geochemistry of the Black Sea during the last 15 kyr: A protracted evolution of its hydrography and ecology}, author = {David Z. Piper}, year = {2016}, doi = {10.1002/2016pa002949}, url = {https://pubs.usgs.gov/publication/70185010}, note = {Source identifier: 70185010} }