@article{temelkovski2014model-based,
  title={Model-Based Engineering in Real-Time Embedded Systems: Specifying Timing Constraints}
  author={Temelkovski, Damjan and Beus-Dukic, Ljerka}
  journal={ICT Innovations 2014, Web Proceedings ISSN 1857-7288}
  pages={230--239}
  year={2014}
}