Cresswell, W, S Yerokhov, N Berezovikov, R Mellanby, S Bright, P Catry, J Chaves, et al. “Important Wetlands in Northern and Eastern Kazakstan”. Wildfowl (January 1, 1999): 181–194. Accessed December 16, 2025. https://tidsskrift.dk/Wildfowl/article/view/154596.