Zaat, S. A., van Brussel, A. A., Tak, T., Pees, E., & Lugtenberg, B. J. (1987). Flavonoids induce Rhizobium leguminosarum to produce nodDABC gene-related factors that cause thick, short roots and root hair responses on common vetch.

Zaat, S A., A A. van Brussel, T. Tak, E. Pees, and B J. Lugtenberg. Flavonoids Induce Rhizobium Leguminosarum to Produce NodDABC Gene-related Factors That Cause Thick, Short Roots and Root Hair Responses On Common Vetch. 1987.

Zaat, S A., et al. Flavonoids Induce Rhizobium Leguminosarum to Produce NodDABC Gene-related Factors That Cause Thick, Short Roots and Root Hair Responses On Common Vetch. 1987.