O. A. Phillips, A. O. Falana, and A. J. Adebayo, “The geochemical composition of sediment as a proxy of provenance and weathering intensity: a case study of Southwest Nigeria’s Coastal Creeks”, geol, vol. 43, no. 3, p. 229, Feb. 2018, doi: 10.7494/geol.2017.43.3.229.