Smith, J. J., K. Murimi, R. Gouws, G. S. Saddler, A. Trigalet, and S. Simons. "Biocontrol of potato bacterial wilt in Kenya." In Biotechnology and sustainable development: Voices of the South and North, 129-142. Wallingford: CABI Publishing, 2003.
Cooper, S. R., and F. N. Green. "Biodiversity : plant collections at SASA." In Scottish Agricultural Science Agency Scientific Review 1992-1997, 16-18. Edinburgh: Scottish Agricultural Science Agency, 1998.
Paveley, N. D., W. J. Rennie, J. C. Reeves, M. W. Wray, D. D. Slawson, W. S. Clark, V. Cockerell, and A. G. Mitchell.Cereal Seed Health and Seed Treatment Strategies In Home-Grown Cereals Authority Review ; No. 34. London: Home Grown Cereals Authority, 1996.