Graph Theoretic Prefix Codes and Their Synchronizing Properties - L. S. Bobrow; S. Louis Hakimi (Inf. Control., 1969)

Decoding augmented cutset codes (Corresp.). - L. S. Bobrow (IEEE Trans. Inf. Theory, 1971)

Graph theoretic q -ary codes (Corresp.). - L. S. Bobrow; S. Louis Hakimi (IEEE Trans. Inf. Theory, 1971)