RT Journal Article SR Electronic A1 Žídek, Libor T1 JF Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis YR 2014 VO 59 IS 7 SP 507 OP 518 DO 10.11118/actaun201159070507 UL https://acta.mendelu.cz/artkey/acu-201107-0054.php AB