Near infrared spectroscopy supported by multivariate data analysis and gas chromatography-mass spectrometry for discrimination and classification of different species in Achillea Genus
L.P. Guo, N. Heigl, C. Krieg, C.H. Petter, L.Q. Huang, B. Kopp, C. Wawrosch, G.K. Bonn and C.W. Huck