1. Data source #TB-0ngGq Type Media report Url www.olca.cl File olcaclocachileregion03mineras0....pdf
2. Data source #5VZD2Bpp Type Media report Url www.consejominero.cl File consejomineroclminera-lumina-c....pdf
3. Data source #NQZ6lJyh Type Media report Url www.mch.cl File mchclrevistasindex_neophpid156....pdf Date 2011-01-01
4. Data source #85iaqVaw Type Media report Url www.mch.cl File mchclrevistasindex_neophpid566....pdf Date 2008-03-01
6. Data source #J8eywnFB Type Company sources Url www.ppcu.co.jp File ppcucojpengnewspdfnews_0910_20....pdf Date 2012-09-10