Yazar
Steven Katovich
5 cilt bulundu.
Steven A. Katovich · USDA Forest Service, Northeastern Area State and Private Forestry, Forest Health Protection
103 sayfa · 1998
Trees / Diseases and pests
Steven A. Katovich · United States Department of Agriculture, Forest Service, Northeastern Area, State and Private Forestry
160 sayfa · 2014
Christmas trees / Handbooks, manuals / Diseases and pests
Steven A. Katovich · U.S. Dept. of Agriculture, Forest Service, Northeastern Area, State & Private Forestry
21 sayfa · 1997
Birch
Steven A. Katovich · U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
24 sayfa · 1995
Yellow-headed spruce sawfly / Control / Ecology
Forest Service (U.S.), Steven Katovich, Deborah McCullough, Michael E. Ostry, Jill O'Donnell, Isabel Munck, Cliff Sadof · Forest Service
160 sayfa · 2015
Trees, diseases and pests