1. Détermination de l'aire massique (surface spécifique) des poudres par adsorption de gaz. Variantes de la méthode de base;Association Française du Normalisation,1977
2. Adsorption of gases in multimolecular layers;Brunauer;J. Am. Chem. Soc.,1938
3. Effects of separate calcium feeding and a limited feeding program on the metabolisable energy of the diet and on nitrogen, Ca and P retention in laying hens;Cabrera;Rep. Nutr. Dev.,1982
4. The effect of calcium solubility on the productive response of leghorn hens;Charles,1984
5. Effect of limestone solubility on layer performance and shell quality;Cheng;Poultry Sci.,1987