blackwell_kelly_power_1989:
  type: article
  title: Two-dimensional monad theory
  author:
  - Blackwell, R.
  - Kelly, G. M.
  - Power, A. J.
  date: 1989
  page-range: 1-41
  url: https://www.sciencedirect.com/science/article/pii/0022404989901606
  parent:
    type: periodical
    title: Journal of Pure and Applied Algebra
    issue: 1
    volume: 59