1. Wetter C: Potato virus M, Descriptions of Plant Viruses. Volume 87. Kew, England: Commonwealth Mycology Institute/Association of Applied Biology; 1972.
2. Zavriev SK, Kanyuka KV, Levay KE: The genome organization of potato virus M RNA. J Gen Virol 1991, 72: 9-14. 10.1099/0022-1317-72-1-9
3. Jeffries CJ: FAO/IPGRI Technical Guidelines for the Safe Movement of Germplasm: No 19, Potato. Food and Agriculture Organization of the United Nations, Rome/International Plant Genetic Resources Institute, Rome; 1998.
4. Ruiz de Galarreta JI, Carrasco A, Salazar A, Barrena I, Iturritxa E, Marquinez R, Legorburu FJ, Ritter E: Wild Solanum species as resistance against different pathogens of potato. Potato Res 1998, 41: 57-68. 10.1007/BF02360262
5. Nicholas KB, Nicholas HB Jr: Gene Doc: a tool for editing and annotating multiple sequence alignments. Distributed by author 1997. [
http://www.psc.edu/biomed/genedoc
]