Principal component analysis of HPLC-MS/MS patterns of wheat (Triticum aestivum) varietiesLevandi, Tuuli; Püssa, Tõnu; Vaher, Merike; Ingver, Anne; Koppel, Reine; Kaljurand, MihkelProceedings of the Estonian Academy of Sciences2014 / p. 86-92 : ill https://artiklid.elnet.ee/record=b2665228*est