Não informado. (1986). Petri Net Newsletter. Special Interest Group Petri Nets and Related Systems Models of Gesellschaft fur Informatik.
Lua i Stíl Chicago (17ú heag.)Não informado. Petri Net Newsletter. Bonn, Alemanha: Special Interest Group Petri Nets and Related Systems Models of Gesellschaft fur Informatik, 1986.
Lua MLA (8ú heag.)Não informado. Petri Net Newsletter. Special Interest Group Petri Nets and Related Systems Models of Gesellschaft fur Informatik, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.