@article{c5b3b610ee4e4a819f2134a967b4a3a1,
title = "Proofs and pedagogy; science and systems: The grammar tool box",
keywords = "context-free grammars, generalised parsing, tool designs tool application, PARSERS",
author = "Adrian Johnstone and Elizabeth Scott",
year = "2007",
month = dec,
day = "1",
doi = "10.1016/j.scico.2007.01.016",
language = "English",
volume = "69",
pages = "76--85",
journal = "Science of Computer Programming",
issn = "0167-6423",
publisher = "Elsevier B.V.",
number = "1-3",
}