@article{819276,
  author = {Benjamin McMorran and Amit Agrawal and Peter Ercius and Vincenzo Grillo and Andrew Herzing and Tyler Harvey and Martin Linck},
  title = {Origins and Demonstrations of Electrons with Orbital Angular Momentum},
  year = {2017},
  number = {375},
  month = {2017-01-09 00:01:00},
  publisher = {Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=921670},
  doi = {https://doi.org/10.1098/rsta.2015.0434},
  language = {en},
}