@article{Aichernig_2011,
    doi = {10.1145/1921532.1921559},
    url = {https://doi.org/10.1145%2F1921532.1921559},
    year = {2011},
    month = {jan},
    publisher = {Association for Computing Machinery ({ACM})},
    volume = {36},
    number = {1},
    pages = {1--8},
    author = {Bernhard K. Aichernig and Harald Brandl and Elisabeth Jöbstl and Willibald Krenn},
    title = {{UML} in action},
    journal = {{ACM} {SIGSOFT} Software Engineering Notes}
}

@article{Aichernig_2011, doi = {10.1145/1921532.1921559}, url = {https://doi.org/10.1145%2F1921532.1921559}, year = {2011}, month = {jan}, publisher = {Association for Computing Machinery ({ACM})}, volume = {36}, number = {1}, pages = {1--8}, author = {Bernhard K. Aichernig and Harald Brandl and Elisabeth Jöbstl and Willibald Krenn}, title = {{UML} in action}, journal = {{ACM} {SIGSOFT} Software Engineering Notes} }