O'Callaghan, K. J., Stone, P. J., Hu, X., Griffiths, D. W., Davey, M. R., & Cocking, E. C. (2000). Effects of Glucosinolates and Flavonoids on Colonization of the Roots of Brassica napus by Azorhizobium caulinodans ORS571. American Society for Microbiology (ASM).

O'Callaghan, Kenneth J., Philip J. Stone, Xiaojia Hu, D. Wynne Griffiths, Michael R. Davey, and Edward C. Cocking. Effects of Glucosinolates and Flavonoids On Colonization of the Roots of Brassica Napus By Azorhizobium Caulinodans ORS571. American Society for Microbiology (ASM), 2000.

O'Callaghan, Kenneth J., et al. Effects of Glucosinolates and Flavonoids On Colonization of the Roots of Brassica Napus By Azorhizobium Caulinodans ORS571. American Society for Microbiology (ASM), 2000.