Kevin M. Cuomo and Alan V. Oppenheim, “Circuit implementation of synchronized chaos with applications to communications,” Physical Review Letters 71 (1993), pp. 65–68; K. M. Cuomo, A. V. Oppenheim, and S. H. Strogatz, “Synchronization of Lorenz-based chaotic circuits with applications to communications,” IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing 40 (1993), pp. 626–633. Популярное изложение использования хаоса для частных коммуникаций предложено в статье J. C. G. Lesurf, “Electronics: Chaos in harness,” Nature 365 (1993), pp. 604–605.