new_jamner_ahmed_2020:
  type: article
  title: 'Graduality and Parametricity: Together Again for the First Time'
  author:
  - New, Max S.
  - Jamner, Dustin
  - Ahmed, Amal
  date: 2020
  page-range: 1-32
  url: https://dl.acm.org/doi/10.1145/3371114
  serial-number:
    doi: 10.1145/3371114
  parent:
    type: periodical
    title: Proceedings of the ACM on Programming Languages
    publisher: ACM
    issue: POPL
    volume: 4