Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MITSUSHIMA Hirotsugu,A Study on the Preparation of Catalyst for Formaldehyde Synthesis by Vapor Phase Oxidation of Dimethyl Ether,"The Journal of the Society of Chemical Industry, Japan",00232734,The Chemical Society of Japan,1968,71,3,378-382,https://cir.nii.ac.jp/crid/1390282680108248960,https://doi.org/10.1246/nikkashi1898.71.3_378