@incollection{Harrison_1996,
    doi = {10.1007/bfb0105406},
    url = {https://doi.org/10.1007%2Fbfb0105406},
    year = {1996},
    publisher = {Springer Berlin Heidelberg},
    pages = {203--220},
    author = {John Harrison},
    title = {A mizar mode for {HOL}},
    booktitle = {Lecture Notes in Computer Science}
}

@incollection{Harrison_1996, doi = {10.1007/bfb0105406}, url = {https://doi.org/10.1007%2Fbfb0105406}, year = {1996}, publisher = {Springer Berlin Heidelberg}, pages = {203--220}, author = {John Harrison}, title = {A mizar mode for {HOL}}, booktitle = {Lecture Notes in Computer Science} }