Experiences with a mass spectrometer in analytical work with nitrogen isotopes.

@article{HEILSKOV1953ExperiencesWA,
  title={Experiences with a mass spectrometer in analytical work with nitrogen isotopes.},
  author={N S C HEILSKOV and Kjeld Olesen and F Sch\onheyder and Sigbritt Werner},
  journal={Scandinavian journal of clinical and laboratory investigation},
  year={1953},
  volume={5 4},
  pages={366-75}
}