[1]P. Jouni T. и P. Erkki Y.O., Recovery of manganese from mixed metal solutions by solvent extraction with organophosphorus acid extractants, PMI, т. 174, сс. 145-147, мар. 2008.

[1]P. Jouni T. and P. Erkki Y.O., “Recovery of manganese from mixed metal solutions by solvent extraction with organophosphorus acid extractants”, PMI, vol. 174, pp. 145-147, Mar. 2008.