Stien, Audun, R. Justin Irvine, Rolf Langvatn, and Erik Ropstad. “Evaluation of Ultrasound Scanning As a Method for Measuring Subcutaneous Fat in Svalbard Reindeer”. Rangifer 23, no. 2 (April 1, 2003): 71–73. Accessed August 21, 2026. https://septentrio.uit.no/index.php/rangifer/article/view/363.