Journal Paper
Year Paper Title
1994 Dec. 1994
1994 Dec. 1994
1993 Mar. 1994
1992 vol. 16, 1, pp. 83-87, Mar. 1993
1991 Dec. 1991
1989 Mar. 1990
1988 Dec. 1988
1988 Dec. 1988
1986 vol. 29, pp. 75-110, 1986
1976 Dec. 1976