@incollection{Dal_Zilio_2003,
    doi = {10.1007/3-540-44881-0_18},
    url = {https://doi.org/10.1007%2F3-540-44881-0_18},
    year = {2003},
    publisher = {Springer Berlin Heidelberg},
    pages = {246--263},
    author = {Silvano Dal Zilio and Denis Lugiez},
    title = {{XML} Schema, Tree Logic and Sheaves Automata},
    booktitle = {Rewriting Techniques and Applications}
}

@incollection{Dal_Zilio_2003, doi = {10.1007/3-540-44881-0_18}, url = {https://doi.org/10.1007%2F3-540-44881-0_18}, year = {2003}, publisher = {Springer Berlin Heidelberg}, pages = {246--263}, author = {Silvano Dal Zilio and Denis Lugiez}, title = {{XML} Schema, Tree Logic and Sheaves Automata}, booktitle = {Rewriting Techniques and Applications} }