Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) E. Rutherford and T. Royds,XXI. The nature of the α particle from radioactive substances,"The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science",1941-5982,Informa UK Limited,1909-02,17,98,281-286,https://cir.nii.ac.jp/crid/1360021393776226560,https://doi.org/10.1080/14786440208636599