Nukari, A., Uosukainen, M., Rokka, V.-M., Antonius, K., Wang, Q. and Valkonen, J.P. 2009. Cryopreservation techniques and their application in vegetatively propagated crop plants in Finland. Agricultural and Food Science. 18, 2 (Jan. 2009), 117–128. DOI:https://doi.org/10.2137/145960609789267506.