@article{NSR1944SI30,
  author="K. {Siegbahn}",
  title="Studies in $\beta$-Spectroscopy",
  journal="Arkiv Mat.Astron.Fysik",
  year=1944,
  volume="30A",
  pages="No.20"
}
*****                                                                  *****
*  Note: Translation from NSR format to bibTex is imperfect. Entries       *
*    may require editing before use. This is especially true for           *
*    "secondary" sources such as conference proceedings, lab reports, etc. *
*****                                                                  *****