1. Alberts, B., Wilson, J.H., Johnson, A., Lewis, J., Raff, M., Roberts, K., and Walter, P. (2002). Molecular Biology of the Cell, 4th edn (New York, NY, USA: Garland Science), p.120–121.
2. Solving the problem of shoot-tip necrosis in Harpagophytum procumbens by changing the cytokinin types, calcium and boron concentrations in the medium.;Bairu;S. Afr. J. Bot.,2009
3. Aromatic cytokinins in micropropagated potato plants.;Baroja-Fernández;Plant Physiol. Biochem.,2002
4. New aromatic cytokinins can make the difference.;Bogaert;Acta Hortic.,2006
5. Bryksová, M. (2020a). Preparation and biological activity of the new cytokinin derivatives. Ph.D. Thesis (Olomouc, Czech Republic: Palacky University).