Variation of the total content of polyphenols and phenolic acids in einkorn, emmer, spelt and common wheat grain as a function of genotype, wheat species and crop year | Monika Zrcková, Ivana Capouchová, Luboš Paznocht, Marie Eliášová, Petr Dvořák, Petr Konvalina, Dagmar Janovská, Matyáš Orsák, Lucie Bečková | Agricultural Journals