1. Source-rock characteristics of Senonian shales in the Anambra Syncline, Southern Nigeria;Agagu;J. Mining Geol.,1982
2. Benue Trough and Benue Chain;Benkhelil;Geol. Mag.,1982
3. Structure et evolution geodynamique du Basin intracontinental de la Benoue (Nigeria);Benkhelil;Bull. Centres Rech. Explor. Prod. Elf-Aquitaine,1988
4. Continuous spectrum of the total magnetic field anomaly due to a rectangular prismatic body;Bhattacharyya;Geophysics,1966
5. Preliminary report on the lead-zinc deposits of the Abakaliki District, Nigeria;Bogue;Geol. Surv. Nigeria, Report No. 1001,1951