1Institute of Environment and Ecology, Aleksandras Stulginskis University,
Universiteto str. 11, Akademija LT-53361, Kaunas dist., Lithuania
2Department of Civil, Environmental and Natural Resources Engineering,
Lulea University of Technology, 971 87 Lulea, Sweden
Submission date: 2016-01-20
Final revision date: 2016-05-03
Acceptance date: 2016-05-03
Publication date: 2016-10-05
Pol. J. Environ. Stud. 2016;25(5):1985–1994