1. Official methods of analysis;Association of Official Analytical Chemists,1970
2. Nutrient bioavailability of feedstuffs: methodology for determining amino acid and B-vitamin availability in cereal grains and soybean meal;Baker,1978
3. The chick assay of lysine;Campbell;Biometrics,1966
4. Laboratory methods for the evaluation of changes in protein quality;Cremer,1970
5. Statistical method in biological assay;Finney,1964