1. Anonymous, 1889. Agdia Inc. Introduces the Potyvirus Group Test, p. 2.
2. Control situation of virus diseases in narcissus in the Netherlands;Asjes;Acta Hort,1996
3. A novel and efficient tissue culture method – “stem-disc dome culture” – for producing virus-free garlic (Allium sativum L.);Ayabe;Plant Cell Rep,2001
4. Brunt, A.A., 1995. Bulb and corm crops. Narcissus. In: Loebenstein, G., Lawson, R.H., Brunt, A.A. (Eds.), Virus and Virus-like Diseases of Bulb and Flower Crops. John Wiley and Sons, Chichester, pp. 322–334.
5. Recent progress in the production;Brunt;Rep. Glasshouse Crop Res. Inst,1984