Powers of positive polynomials and codings of Markov chains onto Bernoulli shifts. Marcus, Brian; Tuncel, Selim — 1999 Electronic Research Announcements of the American Mathematical Society [electronic only]
A Note on Periodic Points for Ergodic Toral Automorphisms. Brian Marcus — 1980 Monatshefte für Mathematik
Entropy at a weight-per-symbol and embeddings of Markov chains. Brian Marcus; Selim Tuncel — 1990 Inventiones mathematicae