@misc{indiciaed5dfc90a131d, title = {Coalbed methane: Clean energy for the world}, author = {A.-J. Ahmed and S. Johnston and C. Boyer and S.W. Lambert and O.A. Bustos and J.C. Pashin and A. Wray}, year = {2009}, url = {https://pubs.usgs.gov/publication/70034970}, note = {Source identifier: 70034970} }