1. Estimation of Open Cut Mining Recovery and Mining Dilution;Bannister,2015
2. Behmiri, N.B., Manso, J.R.P., 2013. Crude Oil Price Forecasting Techniques: a Comprehensive Review of Literature. Retrieved from 〈https://caia.org/sites/default/files/3.RESEARCH REVIEW.pdf〉
3. Blackheath Resources Inc., 2014. Blackheath reports 62m of 0.18WO3% at Borralha Tungsten Project News Releases. 〈http://www.blackheathresources.com/s/NewsReleases.asp?ReportID=665843&_Title=Blackheath-Reports-62m-of-0.18-WOhtmlsub3subhtml-at-Borralha-Tungsten-Proje〉.
4. National and international codes for reporting mineral resources and reserves: their relevance, future and comparison;Camisani-Calzolari;J. S. Afr. Inst. Min. Metall.,2004
5. CIM Definition Standards on Mineral Resources and Mineral Reserves. Canadian Institute of Mining;CIM Definition Standards,2014