[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.