↑ Magbagbeola.O.A, 2005, Sequence Stratigraphy of Niger Delta, Robertkiri Field, Onshore Nigeria, Master degree thesis, Texas A&M University, 103 p.
↑ Reijers T .J .A., Petters S.W., and Nwajide C.S.,1997, African Basin : Sedimentary Basins of the World-The Niger Delta Basin, p.151-172.
↑ Magbagbeola.O.A, 2005, Sequence Stratigraphy of Niger Delta, Robertkiri Field, Onshore Nigeria, Master degree thesis, Texas A&M University, 103 p.
↑ Michele L. W. Tuttle, Ronald R. Charpentier, and Michael E. Brownfield,1999 ,The Niger Delta Petroleum System: Niger Delta Province, Nigeria, Cameroon, and Equatorial Guinea, Africa: U.S. Geological Survey Open-File Report 99-50-H < http://pubs.usgs.gov/of/1999/ofr-99-0050/OF99-50H/ChapterA.html >
↑ Magbagbeola.O.A, 2005, Sequence Stratigraphy of Niger Delta, Robertkiri Field, Onshore Nigeria, Master degree thesis, Texas A&M University, 103 p.
↑ Michele L. W. Tuttle, Ronald R. Charpentier, and Michael E. Brownfield,1999 ,The Niger Delta Petroleum System: Niger Delta Province, Nigeria, Cameroon, and Equatorial Guinea, Africa: U.S. Geological Survey Open-File Report 99-50-H < http://pubs.usgs.gov/of/1999/ofr-99-0050/OF99-50H/ChapterA.html >
↑ Stacher, P., 1995, Present understanding of the Niger Delta hydrocarbon habitat, in, Oti, M.N., and Postma, G., eds., Geology of Deltas: Rotterdam, A.A. Balkema, p. 257-267.
↑ Doust, H. and E. Omatsola, 1989, Niger Delta: American Association of Petroleum
↑ Short, K.C., and A.J. Stauble, 1967, Outline of Geology of Niger Delta: American
↑ Doust, H. and E. Omatsola, 1989, Niger Delta: American Association of Petroleum
↑ Doust, H. and E. Omatsola, 1989, Niger Delta: American Association of Petroleum
↑ Short, K.C., and A.J. Stauble, 1967, Outline of Geology of Niger Delta: American
