Approaches to the Ex-ante Evaluation of Investments into Information Systems. - Sascha G. Walter; Thorsten Spitta (Wirtschaftsinf., 2004)

Radicalness of Technological Inventions and Young Venture Performance - The Role of Technological Competition and Product Diversity. - Arne Schmidt 003; Sascha G. Walter; Achim Walter (IEEE Trans. Engineering Management, 2013)