The initial meadows

Inge Bethke, Piet Rodenburg. The initial meadows. Journal of Symbolic Logic, 75(3):888-895, 2010. [doi]

@article{BethkeR10,
  title = {The initial meadows},
  author = {Inge Bethke and Piet Rodenburg},
  year = {2010},
  url = {http://projecteuclid.org/euclid.jsl/1278682205},
  researchr = {https://researchr.org/publication/BethkeR10},
  cites = {0},
  citedby = {0},
  journal = {Journal of Symbolic Logic},
  volume = {75},
  number = {3},
  pages = {888-895},
}