1. Energy cost of eating in cattle given diets of different form;Adam;Anim. Prod.,1984
2. AFRC Technical Committee on Responses to Nutrients, 1997. The Nutrition of Goats. Nutrition Abstracts and Reviews (Series B), Report No. 11, vol. 67, pp. 765–830.
3. Energy and Protein Requirements of Ruminants;AFRC Technical Committee on Responses to Nutrients,1993
4. Aguilera, J.F., Guerrero, J.E., Molina, E., Boza, J., 1984. Eficiencia de utilización energética para la lactación en ganado caprino (Energy efficiency for lactation in gotas). IX Jornadas Científicas de la Sociedad Española de Ovinotecnia y Caprinonectia. Granada-Málaga, Spain, pp. 305–310.
5. Description and function of an open-circuit respiration plant for pigs and small ruminants and the techniques used to measure energy metabolism;Aguilera;Arch. Anim. Nutr.,1986