Samuel O. Akande, Olu Fakorede, and Arno Mucke. “Geology and Genesis of Gold-Bearing Quartz Veins at Bini Yauri and Okolom in the Pan-African Domain of Western Nigeria”. Netherlands Journal of Geosciences, Jan. 1988, pp. 41-51, https://njgjournal.nl/index.php/njg/article/view/12965.