1. , , and . Twenty Years of Acquisition Behaviour in America, Associated Press, London, 1971.
2. ‘Market structure and profitability—analysis of the appropriateness of pooling cross-sectional industry data’. Paper No. 242, Institute for Research in the Behavioral, Economic, and Management Sciences, Krannert Graduate School of Management, Purdue University, October, 1973.
3. , and . ‘Market structure and industry influence on profitability’, in (ed.) Strategy + Structure = Performance, Indiana University Press, Bloomington, Indiana, 1977.
4. Firm Effects and Industry Effects in the Analysis of Market Structure and Profitability
5. , and . ‘Diversity and performance in the multibusiness firm’. AIDS 1978 Proceedings, Atlanta: American Institute for Decision Sciences, 1978, pp. 210–212.