Guenthner, J, E Bynum, C M Rush, and G Greenway. “ZEBRA CHIP CONTROL COST BASED ON PSYLLID POPULATION”. Potato Journal 39, no. 2 (August 16, 2013). Accessed June 24, 2026. https://epubs.icar.org.in/index.php/PotatoJ/article/view/32189.