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Practical Directions for the Management of Honey Bees
其他書名
Upon an Improved and Humane Plan, by which the Lives of Bees May be Preserved, and Abundance of Honey of a Superior Quality May be Obtained
出版J. Leach, 1848
URLhttp://books.google.com.hk/books?id=8ptlAAAAMAAJ&hl=&source=gbs_api
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