1. Tinbergen Lectures on Organization Theory;Beckmann,1987
2. Auditor brand name reputations and industry specializations;Craswell;Journal of Accounting and Economics,1995
3. Practical Non-parametric Statistics;Conover,1980
4. Audit industry dynamics;Danos;Journal of Accounting Research,1982
5. Long-term trends toward seller concentration in the US audit market;Danos;The Accounting Review,1986