@incollection{Quezada18,
author = {José Carlos Quezada Quezada and Ernesto Flores García and Joselito
Medina Marín and Jorge Bautista López and Víctor Quezada Aguilar},
title = {Ladder Diagram Petri Nets: Discrete Event Systems},
booktitle = {Petri Nets in Science and Engineering},
publisher = {IntechOpen},
address = {Rijeka},
year = {2018},
editor = {Raul Campos-Rodriguez and Mildreth Alcaraz-Mejia},
chapter = {2},
doi = {10.5772/intechopen.75753},
url = {https://doi.org/10.5772/intechopen.75753}
}