Notes on wolframite, beraunite, and axiniteDOI: info:10.5479/si.00963801.2060.501v. 47No. 2060501–511
Wherry, Edgar T. 1914. "Notes on wolframite, beraunite, and axinite." Proceedings of the United States National Museum, 47, (2060) 501–511. https://doi.org/10.5479/si.00963801.2060.501.