1. Scanning the Business Environment;Aguilar,1979
2. Job creation in America: How our smallest companies put the most people to work;Birch,1987
3. Owners and managers: The Venture 100 vs the Fortune 500;Birley;Journal of Business Venturing,1987
4. Performance Predictors for Entrepreneurial Manufacturing Firms: An Empirical Study of Psychological, Background and Environmental Scanning Attributes;Box,1991
5. Towards a theory of entrepreneurship;Bull;Journal of Business Venturing,1993