V.S. Dimitrov and G.A. Jullien,
"A New Number Representation with Applications,"
IEEE Circuits and Systems Magazine, pp. 6-23, vol. 3. no. 2, 2003.

R.E. Ladner and M.J. Fischer, "Parallel Prefix Computation,"
Journal of ACM, vol. 27, Oct 1980, pp. 831-838.

M. Snir, "Depth-Size Trade-Offs for Parallel Prefix Computation,"
Journal of Algorithms, 7, pp. 185-201, 1986.