Ecology of Toxoptera Graminum, Especially as to Factors Affecting Importance in the Northern United States.*
- 1 June 1931
- journal article
- Published by Oxford University Press (OUP) in Annals of the Entomological Society of America
- Vol. 24 (2), 325-395
- https://doi.org/10.1093/aesa/24.2.325