@incollection{Gambino_2004,
    doi = {10.1007/978-3-540-24849-1_14},
    url = {https://doi.org/10.1007%2F978-3-540-24849-1_14},
    year = {2004},
    publisher = {Springer Berlin Heidelberg},
    pages = {210--225},
    author = {Nicola Gambino and Martin Hyland},
    title = {Wellfounded Trees and Dependent Polynomial Functors},
    booktitle = {Lecture Notes in Computer Science}
}

@incollection{Gambino_2004, doi = {10.1007/978-3-540-24849-1_14}, url = {https://doi.org/10.1007%2F978-3-540-24849-1_14}, year = {2004}, publisher = {Springer Berlin Heidelberg}, pages = {210--225}, author = {Nicola Gambino and Martin Hyland}, title = {Wellfounded Trees and Dependent Polynomial Functors}, booktitle = {Lecture Notes in Computer Science} }