@article{Goltz_1983,
    doi = {10.1016/s0019-9958(83)80040-0},
    url = {https://doi.org/10.1016%2Fs0019-9958%2883%2980040-0},
    year = {1983},
    month = {may},
    publisher = {Elsevier {BV}},
    volume = {57},
    number = {2-3},
    pages = {125--147},
    author = {U. Goltz and W. Reisig},
    title = {The non-sequential behaviour of Petri nets},
    journal = {Information and Control}
}

@article{Goltz_1983, doi = {10.1016/s0019-9958(83)80040-0}, url = {https://doi.org/10.1016%2Fs0019-9958%2883%2980040-0}, year = {1983}, month = {may}, publisher = {Elsevier {BV}}, volume = {57}, number = {2-3}, pages = {125--147}, author = {U. Goltz and W. Reisig}, title = {The non-sequential behaviour of Petri nets}, journal = {Information and Control} }