Musa, O. K., E. E. Kurowska, T. Krzykawski, and J. A. Onimisi. “X-Ray Diffraction Studies of Onshore Mud Volcanoes in Parts of the Upper Benue Trough, Northeastern Nigeria”. Geology, Geophysics and Environment, vol. 47, no. 4, Dec. 2021, pp. 203-16, doi:10.7494/geol.2021.47.4.203.