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by Trautwein, Alfred X.; Kreibig, Uwe; Hüttermann, Jürgen
by Wollny, E.
by Grunert, Johann August
by Feynman, Richard Phillips; Leighton, Robert B.; Sands, Matthew; et al.
by Weidlich, Wolfgang
by Karbach, Michael
by Heisenberg, Werner
by Gehrke, Jan Peter; Köberle, Patrick
by Toptygin, Igor N.