1. Potato world: production and consumption;Fao,2008
2. Rome declaration on world food security;Fao,1996
3. The potato-evolution, biodiversity and genetic resources;Hawkes,1990
4. Cryopreservation for plant genebanks—a matter between high expectations and cautious reservation;Keller;Cryo Letters,2008
5. Status of cryopreservation technologies in plants (crops and forest trees);Panis,2006