V.  Dinca, Dapporto, L., and Vila, R., ?A combined genetic-morphometric analysis unravels the complex biogeographical history of Polyommatus icarus and Polyommatus celina Common Blue butterflies?, Molecular Ecology, vol. 20, 2011.

T.  Schmitt, Habel, J. Christian, Zimmermann, M., and Muller, P., ?Genetic differentiation of the marbled white butterfly, Melanargia galathea , accounts for glacial distribution patterns and postglacial range expansion in southeastern Europe?, Molecular Ecology, vol. 15, 2006.