1. Global Review of Commercialized Transgenic Crops,1999
2. Commercialized Biological-Based Products in the Food and Agriculture Industries,1996
3. Longevity's latest drugs;Rohlfing;Food Technol.,1991
4. Modern Biotechnology for Food and Agriculture;Pinstrup-Anderson,1999
5. Juma C, Gupta A. Safe use of biotechnology. In: Persley GJ, ed. Biotechnology for Developing Country Agriculture: Problems and Opportunities. 20/20 Vision Focus 2: Brief 6 out of 10. Washington DC: International Food Policy Research Institute; October 1999.