@misc{indiciae1820e7680651, title = {Determination of small amounts of molybdenum in tungsten and molybdenum ores}, author = {F. S. Grimaldi and R. C. Wells}, year = {2002}, doi = {10.1021/i560117a005}, url = {https://pubs.usgs.gov/publication/70010941}, note = {Source identifier: 70010941} }