1. Effects of processing conditions on the chemical properties of canned sweet potatoes;Arthur;Agric. Food Chem.,1957
2. Isolation and spectrophotometry characterization of four carotene isomers;Bickoff;J. Assoc. Off. Agric. Chem.,1948
3. Determination of beta-carotene stereo-isomers in alfalfa;Bickoff;J. Assoc. Agric. Chem.,1949
4. Stereoisomeric analysis of beta-carotene;Bickoff;J. Assoc. Off. Agric. Chem.,1949
5. The ability of dogs to utilize vitamin A from plant and animal sources;Bradfield;Am. J. Physiol.,1938