1. Official Methods of Analysis;Association of Official Agricultural Chemists,1955
2. The Statistics of Bioassay;Bliss,1952
3. Coloring Water-Base Foods with β-Carotene;Bunnell;Food Technol.,1958
4. The United States Pharmacopeia,1955
5. The Effect of Kind of Carrier and Method of Dispersion on the Absorption of Carotene by Young Dairy Calves;Crowley;J. Dairy Sci.,1950