H.  Pauli, Gottfried, M., Dullinger, S., Abdaladze, O., Akhalkatsi, M., Alonso, J. Luis Benit, Coldea, G., Dick, J., Erschbamer, B., and Calzado, R. Fernández, ?Recent plant diversity changes on Europe?s mountain summits?, ScienceScience, vol. 336, pp. 353-355, 2012.