TY - RPRT TI - Geochemical differentiation of Silurian from Devonian crude oils in eastern Algeria AU - Kenneth E. Peters AU - Steve Creaney PY - 2004 DO - 10.1016/s1873-9881(04)80021-x UR - https://pubs.usgs.gov/publication/70239779 ID - 70239779 ER -