GilbertsonJ.2013. A competent persons report on the Tantalus Project, Northern Madagascar. Prepared for Tantalus Rare Earths AG, SRK Exploration Services Ltd., 146 p.
2.
MarianoAN, MarianoA.2012. Rare earth mining and exploration in North America.Elements8:369–376. doi: 10.2113/gselements.8.5.369
3.
SanematsuK, WatanabeY.2016. Characteristics and genesis of Ion adsorption-type deposits.Rev Econ Geol.18:55–79.
4.
U.S. Geological Survey.2015. Mineral commodity summaries 2015. U.S. Geological Survey, 196p. Available from: http://dx.doi.org/10.3133/70140094
5.
WallF.2014. Rare earth elements. In: GunnG, editor. Critical metals handbook. Oxford: John Wiley & Sons; p. 312–339.
