1. D-Wave: truth finally starts to emerge;S Aaronson;Shtetl-Optimized (Blog post) 5 June,2011
2. Patterns of industrial innovation;W J Abernathy;Technology Review,1978
3. Diversity and technological progress;D Acemoglu;The Rate and Direction of Inventive Activity Revisited,2012
4. The evolution of markets and entry, exit and survival of firms;R Agarwal;Review of Economics and Statistics,1996