1. Baranyi, M., & Greilhuber, I. (1996). Flow cytometric and Feulgen densitometric analysis of genome size variation in Pisum. Theoretical and Applied Genetics, 92, 297–307. doi: 10.1007/BF00223672 .
2. Bleser, E., Konrad, H., & Rühl, E. (2004). Perspektiven der Klonenzüchtung. Deutsches Weinbau-Jahrbuch, 56, 116–121.
3. Bovey, R., Gärtel, W., Hewitt, W., Martelli, G. P., & Vuittenez, A. (1980). Virus and virus-like diseases of grapevines (pp. 1–181). Lausanne: Editions Payot.
4. da Câmara Machado, A., Puschmann, M., Pühringer, H., Kremen, R., Katinger, H., & Laimer da Câmara Machado, M. (1995). Somatic embryogenesis of Prunus subhirtella autumno rosa and regeneration of transgenic plants after Agrobacterium-mediated transformation. Plant Cell Reports, 14, 335. doi: 10.1007/BF00238592 .
5. Das, D. K., Nirala, N. K., Reddy, M. K., Sopory, S. K., & Upadhyaya, K. C. (2006). Encapsulated somatic embryos of grape (Vitis vinifera L.): an efficient way for storage and propagation of pathogen-free plant material. Vitis, 45, 179–184.