“Zebra chip: the Columbia Basin experience in Oregon and Washington in 2011”
, 96th Annual Meeting of the Potato Association of America
. Potato Association of America, Denver, Colorado, p. 13, 2012.
“A new threat in the Columbia Basin of Oregon and Washington: Zebra Chip”
, 11th Annual Zebra Chip Reporting Session
. Zebra Chip Reporting Session, San Antonio, Texas, pp. 1-6, 2011.