1. The Enterprise Challenge: Overcoming Barriers to Growth in Small Firms;ACOST,1990
2. Innovation and firm size: the new learning;Acs;International Journal of Technology Management,1993
3. Barriers to product innovation in small firms: Policy Implications;Adams;European Small Business Journal,1982
4. Determinants of Innovation Capability in Small UK Firms: An Empirical Analysis, WP 00. 13. ECIS;Albaladejo,2000
5. Uncertainty, evolution and economic theory;Alchian;Journal of Political Economics,1950