Åström, Helena, ja 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 (toukokuuta):78-83. https://journal.fi/msff/article/view/76257.