1. Sibai, Fadi N.,ℍ A Parallel Machine for the Unification Algorithm: Design, Simulation, and Performance Evaluation,ℍ Ph.D. Dissertation, Dept. of Electrical Engineering, Texas A&M University, College Station, Texas 77843, U.S.A., December 1989.
2. Sibai, F.N., Watson, K. L., and Lu, Mi, ℍ A Parallel Unification Machine,ℍ IEEE MICRO, Vol. 10, No. 4, August 1990, pp. 21–33.