Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 長谷川 勝三郎,紙型用紙並に新聞用紙に就いて,Journal of the Japanese Technical Association of the Pulp and Paper Industry,1884-4731,JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY,1950,4,5,23-29,https://cir.nii.ac.jp/crid/1390001205330612480,https://doi.org/10.2524/jtappij1947.4.5_23