[19 Aug 2012]. (原始内容存档于2015-05-06). Gasik, Michael (编). Handbook of Ferroalloys: Theory and Technology. London: Elsevier. 2013: 429. ISBN 978-0-08-097753-9
center (页面存档备份,存于互联网档案馆) Mining Industry of Iran 1997 (页面存档备份,存于互联网档案馆) Ferroalloys: World production by ountry, furnace (页面存档备份,存于互联网档案馆) Market of Iran