@incollection{Urban_2016,
    doi = {10.1007/978-3-662-49674-9_4},
    url = {https://doi.org/10.1007%2F978-3-662-49674-9_4},
    year = {2016},
    publisher = {Springer Berlin Heidelberg},
    pages = {54--70},
    author = {Caterina Urban and Arie Gurfinkel and Temesghen Kahsai},
    title = {Synthesizing Ranking Functions from Bits and Pieces},
    booktitle = {Tools and Algorithms for the Construction and Analysis of Systems}
}

@incollection{Urban_2016, doi = {10.1007/978-3-662-49674-9_4}, url = {https://doi.org/10.1007%2F978-3-662-49674-9_4}, year = {2016}, publisher = {Springer Berlin Heidelberg}, pages = {54--70}, author = {Caterina Urban and Arie Gurfinkel and Temesghen Kahsai}, title = {Synthesizing Ranking Functions from Bits and Pieces}, booktitle = {Tools and Algorithms for the Construction and Analysis of Systems} }