1. Heidel C. The isotopic composition of sulphate formed by pyrite oxidation experiments – the influence of pyrite grain size // Записки Горного института. 2009. Том 181. C. 7-10.
1. Heidel C. The isotopic composition of sulphate formed by pyrite oxidation experiments – the influence of pyrite grain size // Journal of Mining Institute. 2009. Том 181. C. 7-10.