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Results: 3
Authors: Christoph Ehlert, Jochen Kluve, Sandra Schaffner
Country: Germany
Publication year: 2012
Authors: Christoph Ehlert, Jochen Kluve, Sandra Schaffner
Country: Germany
Publication year: 2012
Authors: Kari Hämäläinen, Juha Tuomala
Country: Finland
Publication year: 2007