@article{3861,
  author = {Paul Gabrielsen},
  title = {Profile of Henry Kapteyn},
  year = {2016},
  journal = {Proceedings of the National Academy of Sciences},
  pages = {201614516},
  month = {2016-10},
  issn = {0027-8424},
  url = {http://www.pnas.org/lookup/doi/10.1073/pnas.1614516113},
  doi = {10.1073/pnas.1614516113},
}