Authors: Obaje, NG Hamza, H

Citation: Ng. Obaje et H. Hamza, Liquid hydrocarbon source-rock potential of mid-Cretaceous coals and coal measures in the Middle Benue Trough of Nigeria, INT J E SCI, 89(1), 2000, pp. 130-139

Authors: Pearson, MJ Obaje, NG

Citation: Mj. Pearson et Ng. Obaje, Onocerane and other triterpenoids in Late Cretaceous sediments from the Upper Benue Trough, Nigeria: tectonic and palaeoenvironmental implications, ORG GEOCHEM, 30(7), 1999, pp. 583-592