1. Agroscope 2016 Fütterungsempfehlungen für Wiederkäuer (Feed recommendations for ruminants) www.agroscope.admin.ch
2. Agroscope 2017 Valeur nutritive des fourrages (Nutritive values of forages) www.agroscope.admin.ch
3. Verdaulichkeit und Mineralstoffgehalte von konserviertem Futter (Effect of cut number, stage of maturity and method of conservation on digestibility and mineral content of a grass-clover mixture);Arrigo;Agrarforschung,2007
4. The elemental composition of vegetation and the possible incidence of soil contamination of samples;Bargagli;Science of the Total Environment,1995