Abstract
This is an extended version of an essay with the same title that I wrote for the workshop Algebraic process calculi : the first twenty five years and beyond, held in Bertinoro, Italy in the first week of August 2005.
| Original language | English |
|---|---|
| Pages (from-to) | 66-83 |
| Journal | Bulletin of the European Association for Theoretical Computer Science, EATCS |
| Volume | 88 |
| Publication status | Published - 2006 |