Buell, Michael C.2023-06-072023-06-071997https://unbscholar.lib.unb.ca/handle/1882/35320vi, 44 pageselectroncen-CAhttp://purl.org/coar/access_right/c_16ecSite factors influencing defoliation by yellowheaded spruce sawfly, Pikonema alaskensissenior reportThurston, GrahamSCI-THS ZZZ-THF 1997 no.05Forestry and Environmental Management