zdzislaw.adamczyk@polsl.pl
aharat@ath.bielsko.pl
arnost.grmela@vsb.cz
© 2017 Zdzisław Adamczyk, Andrzej Harat, Arnost Grmela, published by Society of Ecological Chemistry and EngineeringThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.