Title information : The Issue of Brown Coal Quality on the Basis of Physicochemical Parameters Variant heading : \q12*stu_us_auth*1 stu123491 \q \q1013 stu_us_auth*stu123491 \d Škvareková Erika \q  %continue : \q12*stu_us_auth*1 stu123492 \q \q1013 stu_us_auth*stu123492 \d Kozáková Ľubica \q In : \q12**1 stu262347 \q %continue : The Holistic Approach to Environment %continue : . Vol. 1, No. 4 (2011), s.163-167 Document kind : článok z periodika References : \q2479**1 stu_us_cat*stu262348*xcla \q (1) - článok