@misc{indiciae5bfec55d6139, title = {Geochemical differentiation of Silurian from Devonian crude oils in eastern Algeria}, author = {Kenneth E. Peters and Steve Creaney}, year = {2004}, doi = {10.1016/s1873-9881(04)80021-x}, url = {https://pubs.usgs.gov/publication/70239779}, note = {Source identifier: 70239779} }