@misc{Thelliez_Sylvain._Grafcet,
 author={Thelliez, Sylvain. and Toulotte, Jean-Marc.},
 howpublished={online},
 publisher={Eyrolles},
 language={fre},
 title={Grafcet et logique industrielle programmée},
 type={książka},
 type={dokument piśmienniczy},
}