1. Tests of significance in reversal or switchback trials;Brandt;Iowa Agr. Exp. Sta. Res. Bull.,1938
2. Feeding dairy cows in sub herds to meet nutritional requirements;Buchman,1971
3. Secretion of Milk—Iowa;Espe,1952
4. Physiology of Behavior in Duke's Physiology of Domestic Animals;Hafez,1970
5. Ad libitum feeding of dairy cattle;Hooven;Abstr. J. Dairy Sci.,1963