Institute for Chemical Processing of Coal, 1 Zamkowa Street, 41-803, Zabrze, Poland
Submission date: 2017-02-06
Final revision date: 2017-05-23
Acceptance date: 2017-05-24
Online publication date: 2017-10-09
Publication date: 2017-11-07
Pol. J. Environ. Stud. 2017;26(6):2471–2477