Aminatou, Fagny Mefire, et al. “New K–AR Ages of Tchabal Mbabo Alkaline Volcano Massif, Cameroon Volcanic Line and Adamawa Plateau (central Africa)”. International Journal of Advanced Geosciences, vol. 4, no. 2, Aug. 2016, pp. 62-71, https://doi.org/10.14419/ijag.v4i2.6516.