Peng, Jinrong; Donald E. Richards; Nigel M. Hartley; George P. Murphy; Katriem M. Devos; John E. Flintham; James Beales, Leslie J. Fish; Anthony J. Worland; Fatima Pelica; Duraialagaraja Sudhakar; Paul Christou; John W. Snape, Michael D.Gale and Nicholas P. Harberd (1999). "Green revolution" genes encode mutant gibberellin response modulators, pp. 256-261 in Nature, Vol. 400, No. 6741, July 15.

JIC (John Innes Centre) (1999). "Green revolution" gene isolated by John Innes scientists, Norwich, UK: John Innes Centre Press Release, July 12.

Pinto, Yvonne M., Rosan A. Kok and David C. Baulcombe, "Resistance to rice yellow mottle virus (RYMV) in cultivated African rice varieties containing RYMV transgenes", Nature Biotechnology (1999) 17, 702-707. See also http://www.agbiotechnet.com/topics/devco.asp#plant26

‘Why Africa needs agricultural biotech’, Florence Wambugu, Nature 400, 15 - 16 (1999)

op. cit.