1. Antonova , D. 2015 The accident at “Karabashmed” happened due to congestion of 200 tons of dust [Авария на «Карабашмеди» произошла из-за скопления 200 тонн пыли] http://www.telefakt.ru/news/lenta-novostejj/avarija-na-karabashmedi-proizoshla-iz-za-skoplenija-200-tonn-pyli/
2. Assembly of Deputies of Karabash Urban District of Chelyabinsk Oblast 2007 Appendix 3 to the report from 11.10.2005 on implementation of municipal environmental control on the territory of the Karabash urban district of Chelyabinsk Oblast No. 319 of 22.02.2007
3. Chelindustry 2015 In 10 years, the pollution index in Karabash has changed from being very high to increased [За 10 лет индекс загрязнения в Карабаше изменился с очень высокого до повышенного] http://chelindustry.ru/info.php?tt=3&rr=5&ids=451
4. Dymnich , S. A. Alimov , N. I. Polyakova , G. Yu. Boyko , A. Yu. Pavlov V. A. 2007 Method and device of air sampling for further analysis of gaseous or aerosol impurities http://www.findpatent.ru/patent/229/2298776.html