Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Mori Ryƍsuke,On the Development of Premium 35mm Cameras in Japan in the 1930s,Journal of the Japan Society for the History of Industrial Technology,09113525,The Japan Society for the History of Industrial Technology,2012-08-30,17,2,19-35,https://cir.nii.ac.jp/crid/1390857512437529088,https://doi.org/10.57381/jshit.17.2_19