| Stracher, G.B., Finkelman, R.B., Hower, J.C., Pone, J.D.N., Prakash, A., Blake, D.R., Schroeder, P.A., Emsbo-Mattingly, S.D., and O'Keefe, J.M.K. (2009): Natural and anthropogenic coal fires. In: Umran Dogan, A., and Cutler, J. (eds.): Encyclopedia of Earth. Environmental Information Coalition, National Council for Science and the Environment, Cleveland (Washington, D.C.) GSA Field Guide 10 (2007) pp 101-110 |