Rupp, H.M., Frank, M., Werner, T., Strnad, M., Schmülling, T. (1999) Increased steady state mRNA levels of the STM and KNAT1 homeobox genes in cytokinin overproducing Arabidopsis thaliana indicate a role for cytokinins in the shoot apical meristem. Plant J. 18, 357-363. https://doi:10.1046/j.1365-313x.1999.00472.x.

Bartrina, I., Otto, E., Strnad, M., Werner, T., Schmülling, T. (2011) Cytokinin regulates the activity of reproductive meristems, flower organ size, ovule formation, and thus seed yield in Arabidopsis thaliana. Plant Cell 23, 69-80. https://doi:10.1105/tpc.110.079079.