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},
}