Parker, K. G., D. L. Collins, L. J. Tyler, D. P. Connola, W. E. Ozard, and H. Dietrich. 1947. The Dutch elm disease: association of Ceratostomella ulmi with Scolytus multistriatus, its advance into new areas, method of determining its distribution and control of the disease. Cornell University Agricultural Experiment Station, Memoir 275. 44 p.
Parker et al. 1947
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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