1. AASB 2009 Exploration and evaluation of mineral resources http://www.aasb.gov.au/admin/file/content105/c9/AASB6_12-04_COMPdec07_01-09.pdf
2. AASB 2014 Impairment of Assets http://www.aasb.gov.au/admin/file/content105/c9/AASB136_07-04_COMPdec13_01-14.pdf
3. Alcoa 2013 Aloca Annual Report http://www.alcoa.com/global/en/investment/pdfs/2013_annual_report.pdf
4. Warming caused by cumulative carbon emissions towards the trillionth tonne;Allen;Nature,2009
5. Alumina 2014 Alumina Annual Report http://www.aluminalimited.com/uploads/ALU7532_Annual_Report_2014_WEB.pdf