Ikäheimo, Katri, and Mikko Raatikainen. 1961. “Calligypona Obscurella (Boh.), a New Vector of the Wheat Striate Mosaic and Oat Sterile-Dwarf Viruses”.
Agricultural and Food Science
33 (1):146-52. https://doi.org/10.23986/afsci.71545.