Hyperfine structure in line spectra and nuclear spin / by S. Tolansky ; with 29 diagrams. Line spectra and nuclear spin. Tolansky, S. (Samuel), 1907- Spectrum analysis. Nuclear physics. Atomaire spectrometrie. QC454 .T66 539.7 TOH Includes bibliographical references and index. London : Methuen ; New York : Wiley, 1948 ( 1953 printing ). 1948 ( 1953 printing ). 1935 Text viii, 120 p. : eng Methuen's monographs on physical subjects