Giorgi, A., Madeo, M., Baumgärtner, J. and Lozzia, G. C. (2010) “Chemometric analysis of the secondary metabolite profile of Yarrow (Achillea collina Becker ex Rchb.) affected by phloem feeding Myzus persicae Sulzer aphids”, Journal of Entomological and Acarological Research, 42(2), pp. 91–102. doi: 10.4081/jear.2010.91.