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David Charles Twinn
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The measurement of pesticide toxicity to honey-bees
David Charles Twinn · Central Association of Bee-keepers
15 sayfa · 1969
Bees / Diseases / Honeybee / Pesticides / Poisoning
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Yazar
1 cilt bulundu.
David Charles Twinn · Central Association of Bee-keepers
15 sayfa · 1969
Bees / Diseases / Honeybee / Pesticides / Poisoning