Raatikainen, Mikko, Terttu Raatikainen, and Arja Vasarainen. “Effect of Feeding by Metadelphax Propinqua (Fieber)(Homoptera, Delphacidae) on Barley”. Agricultural and Food Science 3, no. 5 (September 1, 1994): 513–517. Accessed November 25, 2024. https://journal.fi/afs/article/view/72713.