Cornulier, Yoccoz, Bretagnolle, Brommer, Butet, Ecke, Elston, Framstad, Henttonen, Hornfeldt, Huitu, Imholt, Ims, Jacob, Jedrzejewska, Millon, Petty, Pietiainen, Tkadlec, Zub, Lambin, 2013. Europe-Wide Dampening of Population Cycles in Keystone Herbivores 340.. https://doi.org/10.1126/science.1228992