See also:
- “The New Biology: A Union of Ecology and Molecular Biology,” Choices, 1990
- “Plant Breeding in the 21st Century,” Choices, 1992
- “What is Yield?” symposium presentation, 1996
- Heterosis: Feeding People and Protecting Natural Resources” and “Commercial Strategies for Exploitation of Heterosis,” presentations at the Genetics and Exploitation of Heterosis in Crops International Symposium, 1997
- “Future Sources of Plant Breeders for Industry,” presentation to Texas Seed Trade Association, 1998