STN EN ISO 3093: 2010 (46 1018), Pšenica, raž a múky z nich, tvrdá pšenica a tvrdá pšenica semolina. Stanovenie čísla poklesu podľa Hagberga-Pertena (ISO 3093: 2009) = Wheat, rye and their flours, durum wheat and durum wheat semolina. Determination of the falling number according to Hagberg-Perten . Bratislava :  Slovenský ústav technickej normalizácie , 2010 . 20 s .