@InCollection{Andrzejewski:2005,
author
=
"G.Andrzejewski",
title
=
"Hierarchical Petri nets for digital controller design",
pages
=
"27--36",
year
=
"2005",
booktitle
=
"Design of embedded control systems ISBN: 0387236309",
publisher
=
"Springer",
address
=
"New York",
}