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| Boddington, T.D.M., (1990), Abra lead-silver-copper-gold deposit, in Hughes, F.E., ed., Geology of the mineral deposits of Australia and Papua New Guinea: Melbourne, The Australian Institute of Mining and Metallurgy Monograph 14, p. 659-664. |
| www.abramining.com.au (n.d.) http://www.abramining.com.au/project/?project=23 |