Källander, Hans, Lars-Anders Hansson, Christer Brönmark, and Alice Nicolle. “Waterbird Dynamics at the Shallow Lake Krankesjön, Southern Sweden: A Long-Term Study”. Ornis Svecica 19, no. 2 (April 1, 2009): 65–89. Accessed September 24, 2022. https://journals.lub.lu.se/os/article/view/22653.