RT Journal Article SR Electronic A1 Škapa, Radoslav T1 JF Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis YR 2014 VO 62 IS 4 SP 749 OP 755 DO 10.11118/actaun201462040749 UL https://acta.mendelu.cz/artkey/acu-201404-0015.php AB