1. ABEM (2008): Instruction Manual for Terrameter SAS 1000/4000. ABEM Instrument AB, Sundbyberg, Sweden. 135p.
2. Adegoke, O.S. (1977): Stratigraphy and Paleontology of the Ewekoro Formation (Paleocene) of Southwestern Nigeria. Bulls. A Paleontol., Vol. 71, No. 295, 275pp.
3. Agagu, O.K. (1985): A Geological Guide to Bituminous Sediments in Southwestern Nigeria, (Unpubl Monograph). Dept of Geology, University of Ibadan.
4. Ayolabi E.A., Folorunso A. F., Adeoti L., Matthew S. and Atakpo E: (2009a): 2‐D and 3‐D Electrical Resistivity Tomography and Its Implications. A paper presented at the 4th Annual Research Conference and Fair held @ the University of Lagos, Akoka, 8th Jan, 2009. p189.