Joel M. Cohen The Equivalence of Two Concepts of Categorical Grammar [Citation Graph (0, 0)][DBLP] Information and Control, 1967, v:10, n:5, pp:475-484 [Journal]
Anthony J. Kramer Use of Orthogonal Signaling in Sequential Decision Feedback [Citation Graph (0, 0)][DBLP] Information and Control, 1967, v:10, n:5, pp:509-521 [Journal]