Veromann, Eve, Anne Luik, Luule Metspalu, and Ingrid Williams. “Key Pests and Their Parasitoids on Spring and Winter Oilseed Rape in Estonia”. Entomologica Fennica 17, no. 4 (December 1, 2006): 400–404. Accessed May 13, 2024. https://journal.fi/entomolfennica/article/view/84364.