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- [26] PREVENTION OF BARK BEETLE DEVELOPMENT IN UNDESIRABLE ELMS FOR CONTROL OF DUTCH ELM DISEASE PLANT DISEASE REPORTER, 1961, 45 (03): : 180 - +
- [27] Elm bark beetle bioassay for residual efficacy of chlorpyrifos and cypermethrin used for the control of Dutch elm disease in Manitoba Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes, 1996, 31 (04):