Shockley, Floyd W., Backus, Elaine A., Ellersieck, Mark R., Johnson, David W., and McCaslin, Mark. 2002. "
Glandular-haired alfalfa resistance to potato leafhopper (Homoptera: Cicadellidae) and hopperburn: Development of resistance indices."
Journal of economic entomology, 95, (2) 437–447.
https://doi.org/10.1603/0022-0493-95.2.437.