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Knowledge distribution among market experts: A closer look into the efficiency of information gathering for innovation projects
Lüthje, Christian, (2003)
Users as inventors and developers of radical innovation:An explorative case study analysisin the field of medical technology
Lettl, Christopher, (2004)
Fortschrittliche Kunden zu radikalen Innovationen stimulieren
Herstatt, Cornelius, (2001)