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Andrzej Skwierawski
Department of Land Improvement and Environmental Management, University of Warmia and Mazury in Olsztyn, pl. Łódzki 2, 10-719 Olsztyn, Poland, phone +48 89 523 43 14
Marcin Sidoruk
Department of Land Improvement and Environmental Management, University of Warmia and Mazury in Olsztyn, pl. Łódzki 2, 10-719 Olsztyn, Poland, phone +48 89 523 43 14