United Nations framework classification for fossil energy and mineral reserves and resources 2009
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| Format: | Report |
| Published: |
United Nations
2009
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| Online Access: | http://www.unece.org/fileadmin/DAM/energy/se/pdfs/UNFC/unfc2009/UNFC2009_ES39_e.pdf http://hdl.handle.net/20.500.11937/12313 |