@article {4815, title = {Memorandum from Kristine Johnson a on the Butternut Disease Monitoring Project to Keith Langdon}, year = {1990}, month = {December 5}, keywords = {Flora, Trees -- Diseases and pests, Vegetation monitoring}, url = {http://diglib.lib.utk.edu/dotsdata/Johnson_MemorandumOnButternutDiseaseMonitoringProject_1990.pdf}, author = {Johnson, Kristine D} }