Materials Theory, Simulations, and Parallel Algorithms : Symposium held November 27-December 1, 1995, Boston, Massachusetts, U.S.A. ; MRS Vol.408 Vol.408 - editors, Efthimios Kaxiras, John Joannopoulos, Priya Vashishta, Rajiv K. Kalia (Materials Research Socierty(MRS), 1996)