E. V. Krishnamurthy, H. Venkateswaran, "Multivariable Polynomial Processing - Applications to Interpolation", Proceedings of the 4th IEEE Symposium on Computer Arithmetic, Santa Monica, California, October 25-26, 1978
K. Hwang, D. K. Panda, "Optical Arithmetic using High-Radix Symbolic Substitution Rules", Proceedings of the 9th IEEE Symposium on Computer Arithmetic, Santa Monica, California, September 6-8, 1989