Hessen Dag O., Borgeraas Jan, Kessler Kirsten, and Refseth Unn Hilde. “UV-B Susceptibility and Photoprotection of Arctic Daphnia Morphotypes”. Polar Research 18, no. 2 (January 12, 1999): 345-352. Accessed May 31, 2023. https://polarresearch.net/index.php/polar/article/view/2250.