RT Journal Article SR Electronic A1 David, Petr T1 JF Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis YR 2013 VO 60 IS 2 SP 483 OP 492 DO 10.11118/actaun201260020483 UL https://acta.mendelu.cz/artkey/acu-201202-0063.php AB