RT Journal Article SR Electronic A1 Kolářová, Michaela A1 Tyšer, Luděk A1 Krähmer, Hansjörg T1 JF Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis YR 2017 VO 65 IS 2 SP 661 OP 668 DO 10.11118/actaun201765020661 UL https://acta.mendelu.cz/artkey/acu-201702-0030.php AB