https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763009651628&signature=d63d2116c42095da57bc2c7a7a699a8d&articleTitle=Advances+in+Petri+Nets+1989&articleAuthor=Grzegorz+Rozenberg&publicationTitle=Advances+in+Petri+Nets+1989&language=&publicationType=1&publishYear=1990&isn=9783540524946&publisher=Springer+Berlin+Heidelberg