1. Beatson R.A., 1993. Breeding and development of hop Cultivars in New Zealand. Proceeding Sciences Communication. Hop Prod. Bureau, Wye College, England. 12-.
2. Developments in the New Zealand hop breeding programme;Beatson,2002
3. Breeding, development, and characteristics of the hop (Humulus lupulus) cultivar ‘Nelson Sauvin’;Beatson;New Zealand Journal of Crop Horticultural Sciences,2003
4. Outline of ampelography for the vinifera grapes in California;Bioletti;Hilgardia,1938
5. Carbonneau, A., Deloire, A., Jaillard, B., 2007. La vigne. Physiologie, terroir, culture. Pratiques vitivinicoles, Dunod.