1. Association of Official Agricultural Chemists, 1960. Official Methods of Analysis. 9th Edition. Washington, D.C.
2. Effect of photoperiod on the response of developing pullets to different nutritional treatments;Berg;Poultry Sci.,1963
3. What's what in pullet growing;Bletner;Feedstuffs,,1963
4. Energy restriction for replacement pullets;Bruins;Feedstuffs,,1958
5. The influence of the hen's egg weight on hatching;Coles;Poultry Sci.,1956