Title information : Environment. Technology. Resources. : 13th International scientific and practical conference Action : \q12*stu_us_auth*1 0094523 \q \q1013 stu_us_auth*0094523 \d Environment. Technology. Resources. \q 17.-18.6.2021 : Rezekne, Lotyšsko. Issue data : Rezekne : Rezekne Academy of Technologies, 2021 ISSN : ISSN 2256-070X Document kind : zborník (príspevkov) References : \q2479**1 stu_us_cat*0089002*xcla \q (1) - článok