1. Theoretical relationship between density and oil yield for oil shales;Smith;U.S. Bureau of Mines Report of Investigations,1969
2. Relationship between rock density and volume of organic matter in oil shales;Smith,1976
3. Method of assaying oil shale by a modified Fischer retort;Stanfield;U.S. Bureau of Mines Report of Investigations,1949
4. Three dimensional characterization of the mechanical properties of Colorado oil shale;Chong,1979
5. Stresses and displacements in a cross-anisotropic soil;Barden;Geotechnique,1963