Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nagai Hifumi and Shibata Etsuro and Nakamura Takashi,Recovery of Ruthenium from a Solution Containing Platinum Group Metals,Journal of the Japan Institute of Metals and Materials,00214876,The Japan Institute of Metals and Materials,2017,81,4,178-185,https://cir.nii.ac.jp/crid/1390282681459921664,https://doi.org/10.2320/jinstmet.je201606