1. E. Best: A Theorem on the Characteristics of Non-sequential Processes. Fundamenta Informaticae III.1 (1980), 77–94.
2. E.Best: The Relative Strength of K-density. In: [8], 261–276.
3. E.Best: Relational Semantics of Concurrent Programs (with some Applications). Formal Description of Programming Concepts II (ed.D.Bjørner) (1983), 431–452.
4. E. Best and A. Merceron: Discreteness, K-density and D-continuity in Occurrence Nets. LNCS 145 (1982), 73–83.
5. E.Best and A.Merceron: Frozen Tokens and D-continuity: A Study in Relating System Properties to Process Properties. Århus Workshop on Petri Nets (1984), to appear in: Advances in Net Theory (ed.G.Rozenberg).