Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shoda Katsufusa and Ishizuka Takeo and Shimizu Koichi and Akashi Makoto,Energy Spectrum of Photoprotons from Al27,Journal of the Physical Society of Japan,0031-9015,THE PHYSICAL SOCIETY OF JAPAN,1962,17,2,407-407,https://cir.nii.ac.jp/crid/1390282679169197824,https://doi.org/10.1143/jpsj.17.407