Assaad, Fakhry A.2019-05-022024-06-272019-05-022024-06-272009978-3-540-78837-9https://drs.ess.gov.et/handle/123456789/65536enearth scienceField Methods for Petroleum Geologists A Guide to Computerized Lithostratigraphic Correlation Charts Case Study: Northern AfricaBook