@article{Groves02,
  title = {Refinement and the Z schema calculus},
  author = {Lindsay Groves},
  year = {2002},
  url = {http://www.elsevier.com/gej-ng/31/29/23/125/48/show/Products/notes/index.htt#009},
  tags = {XML, XML Schema, refinement},
  researchr = {https://researchr.org/publication/Groves02},
  cites = {0},
  citedby = {0},
  journal = {Electronic Notes in Theoretical Computer Science},
  volume = {70},
  number = {3},
  pages = {70-93},
}