Jacques Cohen, Joel Katcoff: Automatic Solution of a Certain Class of Combinatorial Problems.
101-104
Józef Winkowski: An Algebraic Characterization of the Behaviour of Non-Sequential Systems.
105-109, (Erratum: Information Processing Letters 7(1): 63 (1978))
Neil D. Jones: A Note on Linear Time Simulation of Deterministic Two-Way Pushdown Automata.
110-112
D. A. Turner: Error Diagnosis and Recovery in One Pass Compilers.
113-115
S. H. Talbert: On the Formal Specification of the Semantics of Processed Information.
116-119
Youichi Kobuchi: Two Characterization Theorems of Locally Catenative Developmental Systems.
120-124