1. Ammonium inalunites;Altaner;Am. Mineral.,1988
2. Annual Book of ASTM Standards. Part 26, Gaseous Fuels, Coals, and Coke, Atmospheric Analysis;American Society for Testing and Materials,1981
3. Structures of layer silicates;Bailey,1980
4. Origin and distribution of minerals in shale and coal from the Anthracite region, eastern Pennsylvania;Daniels,1989
5. Clay mineral authigenesis in coal and shale from the Anthracite region, Pennsylvania;Daniels;Am. Mineral.,1990