Price, P., H. Roininen, and J. Tahvanainen. “Willow Tree Shoot Module Length and the Attack and Survival Pattern of a Shoot-Galling Sawfly, <i>Euura atra</I> (Hymenoptera: Tenthredinidae)”. Entomologica Fennica, vol. 8, no. 2, June 1997, pp. 113-9, doi:10.33338/ef.83928.