Доступные ссылки:

Harvard: Kurkina, O. E., Kurkin, A. A., Soomere, T., Rybin, A. V.& Tyugin, D. Y. 2014. Pycnocline variations in the Baltic Sea affect background conditions for internal waves. 6th IEEE/OES Baltic International Symposium 2014. BALTIC 2014, Tallinn, 27.05.2014 - 29.05.2014, no. 6887879, pp. 1-8, doi: 10.1109/BALTIC.2014.6887879