Solid state ionics II : symposium held November 26-December 1, 1990, Boston, Massachusetts, U.S.A.. pp.75-80, 1991. Pittsburgh, Pa.. Materials Research Society
Plasma processing and synthesis of materials III : symposium held April 17-19, 1990, San Francisco, California, U.S.A.. pp.335-340, 1991. Pittsburgh, Pa.. Materials Research Society
Low energy ion beam and plasma modification of materials : symposium held April 30-May 2, 1991, Anaheim, California, U.S.A.. pp.165-170, 1991. Pittsburgh, Pa.. Materials Research Society
Surface chemistry and beam-solid interactions : symposium held November 26-29, 1990, Boston, Massachusetts, U.S.A.. pp.593-598, 1991. Pittsburgh, Pa.. Materials Research Society
Low energy ion beam and plasma modification of materials : symposium held April 30-May 2, 1991, Anaheim, California, U.S.A.. pp.353-358, 1991. Pittsburgh, Pa.. Materials Research Society