Алуминијум — разлика између измена

* [http://www.indexmundi.com/en/commodities/minerals/aluminum/aluminum_table12.html World production of primary aluminium, by country]

* [http://www.indexmundi.com/commodities/?commodity=aluminum&months=300 Price history of aluminum, according to the IMF]

* [http://www.emedicine.com/med/topic113.htm Emedicine – Aluminium]

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