1. Keresztesi, B. (1984) Az akác, Akadémia Kiadó, Budapest, p. 20–27.
2. Brown, C.L. (1980) in Tissue Culture in Forestry (Bonga J.M. and Durzan D.T., eds.) pp. 137–145. Martinus Nijhoff, The Hague, Boston, London.
3. Balla, I. and Vertesy, J. (1985) in In Vitro Problems Related to Mass Propagation of Horticultural Plants, Symposium, Book of Abstracts II, p. 37. Int. Soc. of Hort. Sci., Gembloux.
4. Barghchi, M. (1987) Plant Sci. 53, 183–189.
5. Han, K.H. and Keathley, D.E. (1989) Robinia 112–114.