1. Egg yolk pigmentation—effect of ethoxyquin;Anjaneylu;Poultry Sci.,1961
2. Association of Official Agricultural Chemists, 1960. Official Methods of Analysis, 9th Ed., Washington 4, D.C.
3. Effect of high levels of vitamin A onegg yolk color;Berg;Proc. 14th Wash. Animal Ind. Conf.,1961
4. β-apo 8′ carotenal as an egg yolk pigmenter;Bunnell;Poultry Sci.,1962
5. Producing dark colored egg yolks;Carlson;South Dakota Farm and Home Research,1961