@misc{indiciae49e9da2425a8, title = {RECENT DEVELOPMENTS ON THE ORIGIN OF MINERAL MATTER IN COAL.}, author = {C. B. Cecil and R.W. Stanton and F.T. Dulong and L.P. Ruppert}, year = {1983}, url = {https://pubs.usgs.gov/publication/70011207}, note = {Source identifier: 70011207} }