1. Heidel , C.: The isotopic composition of sulphate formed by pyrite oxidation experiments – the influence of pyrite grain size. Записки Горного института. 181, 7-10 (2009)

1. Heidel , C.: The isotopic composition of sulphate formed by pyrite oxidation experiments – the influence of pyrite grain size. Journal of Mining Institute. 181, 7-10 (2009)