Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Mitsuo Taketani,On the production of negative protons,Progress of theoretical physics = 理論物理学の進歩,0033068X,Kyoto : Publication Office,1951-09,6,4,559-571,https://cir.nii.ac.jp/crid/1520854805764502912,https://doi.org/10.1143/ptp.6.559