Åström, Helena, and Carl-Adam Hæggström. 2018. “What Happens With the Tree Rings When the Bird-Cherry (Prunus Padus L.) Is Defoliated by the Moth Bird-Cherry Ermine (Yponomeuta Evonymellus Linnæus, 1758)?”. Memoranda Societatis Pro Fauna Et Flora Fennica 94 (May):78-83. https://journal.fi/msff/article/view/76257.