by Linderman, R.W., Rossbach, P.C., Gallagher, D.M.
Published in IEEE transactions on computer-aided design of integrated circuits and systems (01.12.1989)

by Linderman, R.W., Shephard, C.G., Taylor, K., Coutee, P.W., Rossbach, P.C., Collins, J.M., Hauser, R.S.
Published in IEEE journal of solid-state circuits (01.04.1988)