@misc{indiciaee709d221e883, title = {A discovery of extremely-enriched boehmite from coal in the Junger Coalfield, the northeastern Ordos Basin}, author = {S. Dai and D. Ren and S. Li and C. Chou}, year = {2006}, url = {https://pubs.usgs.gov/publication/70030735}, note = {Source identifier: 70030735} }