@article{Kracht_1995,
    doi = {10.1007/bf01048404},
    url = {https://doi.org/10.1007%2Fbf01048404},
    year = {1995},
    month = {apr},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {4},
    number = {1},
    pages = {41--60},
    author = {Marcus Kracht},
    title = {Syntactic codes and grammar refinement},
    journal = {Journal of Logic, Language and Information}
}

@article{Kracht_1995, doi = {10.1007/bf01048404}, url = {https://doi.org/10.1007%2Fbf01048404}, year = {1995}, month = {apr}, publisher = {Springer Science and Business Media {LLC}}, volume = {4}, number = {1}, pages = {41--60}, author = {Marcus Kracht}, title = {Syntactic codes and grammar refinement}, journal = {Journal of Logic, Language and Information} }