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Journal of Applied Ecology > 54 > 2 > 612 - 617
Electronic Markets > 2017 > 27 > 1 > 9-20
2012 Oceans > 1 - 3
Roczniki Geomatyki > 2010 > T. 8, z. 5 > 149-158
Journal of Applied Ecology > 54 > 2 > 612 - 617
Electronic Markets > 2017 > 27 > 1 > 9-20
2012 Oceans > 1 - 3
Roczniki Geomatyki > 2010 > T. 8, z. 5 > 149-158