by (Federal Republic of Germany)H.A.Bartels;by (United States)D.C.Harris; by (Federal Republic of Germany)D.F.Barbe;by (United States)D.L.Cannon; by (Federal Republic of Germany)W.G.Berl;by (United States)D.A.Skoog; by (Federal Republic of Germany)C.K.Rhodes;by (United States)H.C.Casey; by (Federal Republic of Germany)E.Grieg;by (United States)C.L.Hanon; by (Federal Republic of Germany)D.V.Dalen;by (United States)W.V.QUINE; by (Federal Republic of Germany)A.Hilbert;by (United States)J.A.Hartigan; by (Federal Republic of Germany)C.Faith;by (United States)G.Fuller; by (Federal Republic of Germany)H.Boll;by (United States)H.Insen; by (Federal Republic of Germany)H.Bottger;by (United States)H.Shapley;