gibbons-2018-relational:
  type: article
  title: Relational algebra by way of adjunctions
  author:
  - Gibbons, Jeremy
  - Henglein, Fritz
  - Hinze, Ralf
  - Wu, Nicolas
  date: 2018-07
  page-range: 1-28
  serial-number:
    doi: 10.1145/3236781
  parent:
    type: periodical
    title: Proceedings of the ACM on Programming Languages
    publisher: Association for Computing Machinery (ACM)
    issue: ICFP
    volume: 2