RT Journal Article SR Electronic A1 Karas, Michal T1 JF Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis YR 2013 VO 60 IS 4 SP 189 OP 194 DO 10.11118/actaun201260040189 UL https://acta.mendelu.cz/artkey/acu-201204-0020.php AB