HARRI, M., J. MONONEN, and T. REKILÄ. “Comparison of Two Breeding Systems for Timing of Whelpings in Farmed Silver Foxes (Research Note)”. Agricultural and Food Science 8, no. 1 (January 1, 1999): 3–8. Accessed July 17, 2024. https://journal.fi/afs/article/view/5620.