Petri Nets: Applications and Relationships to Other Models of Concurrency: Advances in Petri Nets 1986, Part II Proceedings of an Advanced Course Bad Honnef, 8.–19. September 1986
“ At the end of your life, you will never regret not having passed one more test, not winning one more verdict or not closing one more deal. You will regret time not spent with a husband, a friend, a child, or a parent. ” ― Barbara Bush