@incollection{Bj_rner_2009,
    doi = {10.1007/978-3-642-00768-2_27},
    url = {https://doi.org/10.1007%2F978-3-642-00768-2_27},
    year = {2009},
    publisher = {Springer Berlin Heidelberg},
    pages = {307--321},
    author = {Nikolaj Bj{\o}rner and Nikolai Tillmann and Andrei Voronkov},
    title = {Path Feasibility Analysis for String-Manipulating Programs},
    booktitle = {Tools and Algorithms for the Construction and Analysis of Systems}
}

@incollection{Bj_rner_2009, doi = {10.1007/978-3-642-00768-2_27}, url = {https://doi.org/10.1007%2F978-3-642-00768-2_27}, year = {2009}, publisher = {Springer Berlin Heidelberg}, pages = {307--321}, author = {Nikolaj Bj{\o}rner and Nikolai Tillmann and Andrei Voronkov}, title = {Path Feasibility Analysis for String-Manipulating Programs}, booktitle = {Tools and Algorithms for the Construction and Analysis of Systems} }