1. T. Prodromakis, C. Toumazou, in IEEE Conf. (2010)
2. B. Linares-Barranco, T. Serrano-Gotarredona, Nat. Prec. hdl: 10101/npre.2009.3010.1 (2009)
3. L.O. Chua, Cellular Nanoscale Sensory Wave Computing (Springer, New York, 1996)
4. J. Hutchinson, C. Koch, J. Luo, C. Mead, Computer 21, 52 (1988)
5. L.O. Chua, IEEE Trans. Circuit Theory 18, 507 (1971)