KAUSTELL, K., E. MÄNTYSAARI, and P. HUHTANEN. “Concentrate Feeding and Milk Yield Based on the Field Data of Milk Recorded Herds”. Agricultural and Food Science 7, no. 4 (January 4, 1998): 423–436. Accessed May 4, 2024. https://journal.fi/afs/article/view/5605.