Erol Gelenbe, David Finkel: Stationary Deterministic Flows: II. The Single-Server Queue.
269-280
Rodney W. Topor: Domain-Independent Formulas and Databases.
281-306
Gheorghe Stefanescu: On Flowchart Theories: Part II. The Nondeterministic Case.
307-340
Franz-Josef Brandenburg: A Note on: `Deque Automata and a Subfamily of Context-Sensitive Languages which Contains All Semilinear Bounded Languages'.
341-342, (see: TCS 40: 163-174 (1985))