Gary D. Stricker, Romeo M. Flores, Dwain E. McGarry, Dean P. Stillwell, Daniel J. Hoppe, Cathy R. Stillwell, Alan M. Ochs, Margaret S. Ellis, Karl S. Osvald, Sharon L. Taylor, Marjorie C. Thorvaldson, Michael H. Trippi, Sherry D. Grose, Fred J. Crockett, Asghar J. Shariff,
Gas desorption and adsorption isotherm studies of coals in the Powder River basin, Wyoming and adjacent basins in Wyoming and North Dakota Open-File Report. ,(2006) ,
10.3133/OFR20061174