Duchamp, C., F. Marmonier, F. Denjean, J. Lachuer, T. P. D. Eldershaw, J-L. Rouanet, A. Morales, R. Meister, C. Bénistant, D. Roussel, and H. Barré. 1999. “Regulatory, Cellular and Molecular Aspects of Avian Muscle Nonshivering Thermogenesis”. Ornis Fennica 76 (4):151–165. https://ornisfennica.journal.fi/article/view/133511.