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close this section of the libraryNielson, Mervin William. 1n(1)
View the documentNielson, Mervin William. 1n; The leafhopper vectors of phytopathogenic viruses (Homoptera, Cicadellidae) : taxonomy, biology, and virus transmission, / by M.W. Nielson. Washington : U.S. Dept. of Agriculture, 1968.