{"identifier":"nobleid:/w1/20260521/FB8BC2AB","arkIdentifier":"ark:/48914/w1/20260521/FB8BC2AB","version":1,"workTitle":"A source of polarized protons","workType":"Journal Article","authors":"G. Clausnitzer","description":null,"workUrl":null,"existingDoi":"10.1016/0029-554x(63)90068-5","createdAt":"2026-05-21T22:09:49.405492Z","canonicalUrl":"https://nobleid.org/ark:/48914/w1/20260521/FB8BC2AB.v1"}