1. Anjaneyalu, Y. V., 1962. Xanthophylls: distribution and metabolism in avian egg. Ph.D. Thesis, University of Arizona.
2. Ethoxyquin and egg yolk pigmentation;Anjaneyalu;Proc. Soc. Exp. Biol. Med.,1963
3. Association of Official Agricultural Chemists, 1960. Official Methods of Analysis, 9th Ed., Washington, D.C.
4. Studies on egg yolk pigmentation. 2. Effect of ethoxyquin on xanthophyll utilization;Bartov;Poultry Sci.,1966
5. Xanthophyll determination in dehydrated alfalfa meal;Bickoff;J. Assoc. Off. Agric. Chem.,1954