1. Studies on the influence of free choice of feed in poultry feeding;Amon;Philipp. Agric.,1931
2. Interaction of feeder position and dietary methionine inbalance: Effects on diet preference and feed intake of layers;Bray;Poult. Sci.,1973
3. The adaptivity of layers to methionine inbalanced corn-soya diets;Bray;Poult. Sci.,1973
4. Nutrient factors as determinants of sucrose ingestion;Collier,1977
5. Dietary self-selection in active and non-active rats;Collier;Physiol. Behav.,1969