1. A.O.A.C., 2000. Official Methods of Analysis, 17th ed. Gaithersburg, MD, USA.
2. Flora Alpina;Aeschimann,2004
3. Phenological effects on forage quality of five grass species;Arzani;J. Range Manage.,2004
4. Prediction of forage digestibility by an enzymatic method;Aufrere;Annales Zootechnie,1982
5. Bassignana, M., 1998. Evolution of the quality of different species in a subalpine summer pasture. In: Nagy, G., Petö, K. (Eds.), Ecological Aspects of Grassland Management. Proceedings of the 17th General Meeting of the European Grassland Federation, Debrecen, Hungary, pp. 1011–1016.