Toward a Steiner engine: enhanced serial and parallel implementations of the iterated 1-Steiner MRST algorithm. - Tim Barrera; Jeff Griffith; Sally A. McKee; Gabriel Robins; Tongtong Zhang (Great Lakes Symposium on VLSI, 1993)

Closing the gap: near-optimal Steiner trees in polynomial time. - Jeff Griffith; Gabriel Robins; Jeffrey S. Salowe; Tongtong Zhang (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1994)