Abdurakhmanov, G. M., A.A. Teymurov, and A.A. Gadzhiyev. 2015. “Biodiversity of Island Ecosystems of the Northern and Middle Caspian and a New Outlook at the Islands Age and the Caspian Sea Level Regime”. Advances in Systems Science and Applications 15 (4), 326-37. https://ijassa.ipu.ru/index.php/ijassa/article/view/363.