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by Benet, Luis; Hess, Peter O.; Torres, Juan Mauricio; et al.
by Feith, David J.; Andrew, Seth; Bahmueller, Charles F.; et al.
by Hess, Peter O.; Schafer, Mirko; Greiner, Walter
by Hess, Peter O.; Scha¨fer, Mirko; Greiner, Walter
by Hess, Peter O.; Stöcker, Horst
by Peter O. Hess; Mirko Schäfer; Walter Greiner