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Dangerous sea level rises in the Gulf of Finland : instrumental measurements and numerical modelingSukhachev, V.; Zakharchuk, E.; Lips, Urmas; Tikhonova, N.The 11th Baltic Sea Science Congress "Living Along Gradients : Past, Present, Future" : June 12-16, 2017 : abstracts2017 / p. 250 https://www.io-warnemuende.de/tl_files/conference/bssc2017/bssc2017-abstract-book.pdf

Lake PeipsiNõges, Tiina; Leisk, Ülle; Loigu, Enn; Iital, Arvo; Hannus, Maila; Vassiljev, Anatoli; Blinova, Irina2001 https://www.ester.ee/record=b1487291*est

Naroowajõe uurimise andmed ja weejõu kasutamise kawa1923 https://www.ester.ee/record=b1274612*est

Sigma-koordinaat ja enesesarnasus : [Rein Tamsalut meenutades]Elken, JüriEesti Geograafia Seltsi aastaraamat = Year-book of the Estonian Geographical Society. 41. kd2016 / lk. 182-184 http://ise.elnet.ee/record=b2885039~S2*est