Customer Integration into Innovation Processes: Implications from B-to-B and B-to-C Cases. - Ralf Reichwald; Anton Meyer; Dominik Walcher; Werner Kunz (MCPC, 2003)

Customers as Part of Value Webs: Towards a Framework for Webbed Customer Innovation Tool. - Ralf Reichwald; Sascha Seifert; Dominik Walcher; Frank Thomas Piller (HICSS, 2004)