@incollection{Altenkirch_1995,
    doi = {10.1007/3-540-60164-3_27},
    url = {https://doi.org/10.1007%2F3-540-60164-3_27},
    year = {1995},
    publisher = {Springer Berlin Heidelberg},
    pages = {182--199},
    author = {Thorsten Altenkirch and Martin Hofmann and Thomas Streicher},
    title = {Categorical reconstruction of a reduction free normalization proof},
    booktitle = {Category Theory and Computer Science}
}

@incollection{Altenkirch_1995, doi = {10.1007/3-540-60164-3_27}, url = {https://doi.org/10.1007%2F3-540-60164-3_27}, year = {1995}, publisher = {Springer Berlin Heidelberg}, pages = {182--199}, author = {Thorsten Altenkirch and Martin Hofmann and Thomas Streicher}, title = {Categorical reconstruction of a reduction free normalization proof}, booktitle = {Category Theory and Computer Science} }