@phdthesis{ca-707,
  title = {An analytical model of physical databases},
  author = {Don S. Batory},
  year = {1980},
  url = {https://librarysearch.library.utoronto.ca/permalink/01UTORONTO_INST/14bjeso/alma991106015675206196},
  researchr = {https://researchr.org/publication/ca-707},
  cites = {0},
  citedby = {0},
  school = {University of Toronto, Canada},
}