1. Hadley T, Catovic E. Beneficiation and Extraction of REE from Northern Minerals’ Browns Range Heavy Rare Earth Project. In: COM2014 – Conference of metallurgists proceedings.
2. Griffith CS, Brown S, Hadley T, Catovic E. Browns Range Project. Radioactivity deportment studies – beneficiation and hydrometallurgical piloting. In: Conference of metallurgists poster 2014.
3. de Klerk L, Das G, Gerbino A. Rare earth concentrate processing and purification. Comparison and optimization using OLI simulation. ALTA. 2020.
4. Gupta CK. Extractive metallurgy of rare earths. Boca Raton: CRC Press; 2005.
5. Northern Minerals Wolverine and Gambit West Geological summary.