Applications and theory of Petri Nets : 31st International conference, PETRI NETS 2010, Braga, Portugal, June 21-25, 2010: proceedings / ed. J. Lilius, 2010 r=on-line. - Текст : электронный.
Lilius J. On the structure of high-level nets : Diss. / J.Lilius, 1995. - II,136 p. p. - Текст : непосредственный.