SWIATKIEWICZ, S., J. KORELESKI, and A. ARCZEWSKA-WLOSEK. “Egg Performance, Egg Quality, and Nutrient Utilization in Laying Hens Fed Diets With Different Levels of Rapeseed Expeller Cake”. Agricultural and Food Science, vol. 19, no. 3, Jan. 2010, pp. 233-9, doi:10.2137/145960610792912594.