Simeonova et al., 1984. Zivocisna Vyroba, 29 (3): 271-278 Document reference Simeonova, J. ; Ingr, I; Valentova, J., 1984. The effect of adding eggshell meal to layer diet on the quality and composition of eggshell. Zivocisna Vyroba, 29 (3): 271-278Citation key Simeonova et al., 1984Datasheets Eggshells
