1. AOAC, 1984. Official Methods of Analysis, 14th edn. Association of Official Analytical Chemists, Arlington, VA, pp. 152–157.
2. Barry, T.N., Blaney, B.J., 1987. Secondary compounds of forages. In: Hacker, J.B., Ternouth, J.H. (Eds.), The Nutrition of Herbivores. Academic Press, New York, pp. 91–119.
3. The role of condensed tannins in the nutritional value of Lotus pedunculatus for sheep;Barry;Br. J. Nutr.,1984
4. The role of condensed tannins in the nutritional value of Lotus pedunculatus for sheep: 4. Sites of carbohydrate and protein digestion as influenced by dietary reactive tannins concentration;Barry;Br. J. Nutr.,1986
5. FAO, 1994. Sheep Production Under Extension Systems in the Near East, Jordan Pastoral System—A Case Study. Harb, M. (Ed.). Food and Agricultural Organization of the United Nation, Rome, p. 7.