by (Federal Republic of Germany)T.M-Kuckuk;by (United States)L.A.Meyer; by (Federal Republic of Germany)T.S.Huang;by (United States)L.Levi; by (Federal Republic of Germany)T.Matsubara;by (United States)D.R.Bates; by (Federal Republic of Germany)A.Budo;by (United States)E.A.Desloge; by (Federal Republic of Germany)O.Vejvoda;by (United States)E.Zauderer; by (Federal Republic of Germany)C.Faith;by (United States)G.Fuller; by (Federal Republic of Germany)G.Fuchs;by (United States)G.T.Kurian; by (Federal Republic of Germany)H.Boll;by (United States)H.Insen; by (Federal Republic of Germany)H.Federer;by (United States)G.Kothe; by (Federal Republic of Germany)W.G.Berl;by (United States)D.A.Skoog;