@inproceedings{2020-vallecillo-er-c,
  author    = {Antonio Vallecillo and
               Martin Gogolla},
  title     = {Modeling Behavioral Deontic Constraints Using {UML} and {OCL}},
  booktitle = {Proc. of ER'20},
  series    = {LNCS},
  volume    = {12400},
  pages     = {134--148},
  publisher = {Springer},
  year      = {2020},
  doi       = {10.1007/978-3-030-62522-1_10},
}