@misc {IOPORT.70776218,
    author       = {Saval, Arnaud and Bouzid, Maroua and Brunessaux, Stephan},
    title        = {A semantic extension for event modelisation},
    howpublished = {ICTAI, 139-146 (2009).},
    year         = {2009},
    identifier   = {70776218},
}