(Federal Republic of Germany)H.Martin; (Federal Republic of Germany)F.W.Eder;by (United States)N-A. by (Federal Republic of Germany)H.Graucrt;by (Federal Republic of Germany)I.Lieb; (United States)A.K by (Federal Republic of Germany)K.Bleuler;by (Federal Republic of Germany)A.Reetz;by (United States) by (Federal Republic of Germany)K.Its;by (Federal Republic of Germany)J.V.Prohorov;by (United States by (Federal Republic of Germany)L.Koester;by (Federal Republic of Germany)A.Steyerl;by (United State (Federal Republic of Germany)A.V.Balakrishnan; (Federal Republic of Germany)M.Thoma; (United States by (Federal Republic of Germany)W.Eberl;by (Federal Republic of Germany)O.Mocschlin;by (United State by (Federal Republic of Germany)D.C.Fries;by (Federal Republic of Germany)D.Zeitnitz;by (United Stat by (Federal Republic of Germany)Z.Nitecki;by (Federal Republic of Germany)C.Robinson;by (United Stat by (Federal Republic of Germany)R.S.Freese;by (Federal Republic of Germany)O.C.Garcia;by (United Sta