@article{Meijer_2019,
    doi = {10.1007/s11334-019-00342-6},
    url = {https://doi.org/10.1007%2Fs11334-019-00342-6},
    year = {2019},
    month = {may},
    publisher = {Springer Science and Business Media {LLC}},
    volume = {15},
    number = {3-4},
    pages = {267--287},
    author = {Jeroen Meijer and Jaco van de Pol},
    title = {Sound black-box checking in the {LearnLib}},
    journal = {Innovations in Systems and Software Engineering}
}

@article{Meijer_2019, doi = {10.1007/s11334-019-00342-6}, url = {https://doi.org/10.1007%2Fs11334-019-00342-6}, year = {2019}, month = {may}, publisher = {Springer Science and Business Media {LLC}}, volume = {15}, number = {3-4}, pages = {267--287}, author = {Jeroen Meijer and Jaco van de Pol}, title = {Sound black-box checking in the {LearnLib}}, journal = {Innovations in Systems and Software Engineering} }