1. Ethology of Free-ranging Domestic Animals;Arnold,1978
2. N-Alkanes as markers in feeding trials;Bovolenta,1994
3. Pflanzen Soziologie;Braun-Blanquet,1964
4. Effect of supplement feeding level and crude protein content of the supplement on the performance of spring-calving dairy cows;Butler;Ir. J. Agric. Res.,1983
5. Composition et valeur nutritive des aliments;Demarquilly,1978