Laskowska, Dorota, and Apoloniusz Berbeć. 2006. “ Resistance to Tomato Spotted Wilt Virus (TSWV) in Nicotiana Alata and N. Sanderae and in Hybrids Between N. Tabacum and N. Alata”. Plant Breeding and Seed Science 54 (December):91-100. http://ojs.ihar.edu.pl/index.php/pbss/article/view/651.