United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources 2009. Geneva: United Nations, 2010 VI, 20 с. : с табл. 978-92-1-117033-7.
United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources 2009. Geneva: United Nations, 2010 VI, 20 с. : с табл. 978-92-1-117033-7.
(2010) United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources 2009, Geneva: United Nations VI, 20 с. : с табл. 978-92-1-117033-7.
(2010). United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources 2009. Geneva: United Nations, VI, 20 с. : с табл.
United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources 2009. Geneva: United Nations; 2010. p. VI, 20 с. : с табл. ISBN: 978-92-1-117033-7.
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