by (United States)T.S.Moss;by (Federal Republic of Germany)B.R.Nag; by (United States)R.S.Pierce;by (Federal Republic of Germany)S.B.Rao; by (United States)B.Booss;by (Federal Republic of Germany)A.Csaszar; by (United States)F.H.Croon;by (Federal Republic of Germany)A.Dold; by (United States)A.E.Wier;by (Federal Republic of Germany)B.Bartok; by (United States)C.R.Rao;by (Federal Republic of Germany)W.J.J.Rey; by (United States)W.Greub;by (Federal Republic of Germany)A.Haraux; by (United States)C.R.Parish;by (Federal Republic of Germany)M.Lerman; by (United States)B.E.Conway;by (Federal Republic of Germany)D.Britz; by (United States)N.Ikeda;by (Federal Republic of Germany)B.Okdendal;