Jouni T. , P. и Erkki Y.O. , P. (2008) Recovery of manganese from mixed metal solutions by solvent extraction with organophosphorus acid extractants, Записки Горного института, 174, сс. 145-147. доступно на: https://pmi.spmi.ru/pmi/article/view/7510 (просмотрено: 3июнь2024).

Jouni T. , P. and Erkki Y.O. , P. (2008) “Recovery of manganese from mixed metal solutions by solvent extraction with organophosphorus acid extractants”, Journal of Mining Institute, 174, pp. 145-147. Available at: https://pmi.spmi.ru/pmi/article/view/7510 (Accessed: 3June2024).