Two-Level Grammars are More Expressive Than Type 0 Grammars Or are They?

Dick Grune. Two-Level Grammars are More Expressive Than Type 0 Grammars Or are They?. SIGPLAN Notices, 28(8):43-45, 1993.

@article{Grune93,
  title = {Two-Level Grammars are More Expressive Than Type 0 Grammars Or are They?},
  author = {Dick Grune},
  year = {1993},
  tags = {grammar},
  researchr = {https://researchr.org/publication/Grune93},
  cites = {0},
  citedby = {0},
  journal = {SIGPLAN Notices},
  volume = {28},
  number = {8},
  pages = {43-45},
}