Heidel , C. (2009). The isotopic composition of sulphate formed by pyrite oxidation experiments – the influence of pyrite grain size. Записки Горного института, 181, 7-10. извлечено от https://pmi.spmi.ru/pmi/article/view/7010

Heidel , C. (2009). The isotopic composition of sulphate formed by pyrite oxidation experiments – the influence of pyrite grain size. Journal of Mining Institute, 181, 7-10. Retrieved from https://pmi.spmi.ru/pmi/article/view/7010