@article{Lohrey_2003,
    doi = {10.1016/j.tcs.2003.08.002},
    url = {https://doi.org/10.1016%2Fj.tcs.2003.08.002},
    year = {2003},
    month = {dec},
    publisher = {Elsevier {BV}},
    volume = {309},
    number = {1-3},
    pages = {529--554},
    author = {Markus Lohrey},
    title = {Realizability of high-level message sequence charts: closing the gaps},
    journal = {Theoretical Computer Science}
}

@article{Lohrey_2003, doi = {10.1016/j.tcs.2003.08.002}, url = {https://doi.org/10.1016%2Fj.tcs.2003.08.002}, year = {2003}, month = {dec}, publisher = {Elsevier {BV}}, volume = {309}, number = {1-3}, pages = {529--554}, author = {Markus Lohrey}, title = {Realizability of high-level message sequence charts: closing the gaps}, journal = {Theoretical Computer Science} }