@incollection{van_der_Aalst_2000,
    doi = {10.1007/3-540-45594-9_11},
    url = {https://doi.org/10.1007%2F3-540-45594-9_11},
    year = {2000},
    publisher = {Springer Berlin Heidelberg},
    pages = {161--183},
    author = {W. M. P. van der Aalst},
    title = {Workflow Verification: Finding Control-Flow Errors Using Petri-Net-Based Techniques},
    booktitle = {Lecture Notes in Computer Science}
}

@incollection{van_der_Aalst_2000, doi = {10.1007/3-540-45594-9_11}, url = {https://doi.org/10.1007%2F3-540-45594-9_11}, year = {2000}, publisher = {Springer Berlin Heidelberg}, pages = {161--183}, author = {W. M. P. van der Aalst}, title = {Workflow Verification: Finding Control-Flow Errors Using Petri-Net-Based Techniques}, booktitle = {Lecture Notes in Computer Science} }