Browsing by Author "Walla, James A."
Now showing items 1-2 of 2
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Diseases and related problems of evergreens
Stack, Robert W.; Walla, James A.; Lamey, H. Arthur; Stack, Robert W.; Walla, James A.; Lamey, H. Arthur (North Dakota State University, 1990) -
Insect and Disease Management Guide for Woody Plants in North Dakota
Zeleznik, Joseph D.; Walla, James A.; Knodel, Janet J. (Janet Jean), 1958-; Zeleznik, Joseph D.; Walla, James A.; Knodel, Janet J. (Janet Jean), 1958- (North Dakota State University, 2005)