RT Journal Article SR Electronic A1 Bukovina, Jaroslav T1 JF Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis YR 2015 VO 63 IS 4 SP 1229 OP 1234 DO 10.11118/actaun201563041229 UL https://acta.mendelu.cz/artkey/acu-201504-0018.php AB