Article (Ali.1993)
Ali, A.; Kalwani, M. U. & Kovenock, D.
Selecting Product Development Projects: Pioneering versus Incremental Innovation Strategies
Management Science, 1993, 39, 255-274

Article (Henard.2001)
Henard, D. H. & Szymanski, D. M.
Why Some New Products Are More Successful Than Others
Journal of Marketing Research (JMR), 2001, 38, 362-375

Article (Thomke.2002)
Thomke, S. & Hippel, E. V.
Customers as Innovators: A New Way to Create Value
Harvard Business Review, 2002, 80, 74-81