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Google圖書搜尋
A Basic Series of Samplers for Undisturbed Sampling of Soil
G. D. Aitchison
J. G. Lang
John G. Lang
出版
Commonwealth Scientific and Industrial Research Organization
, 1963
URL
http://books.google.com.hk/books?id=RhY87ppWwUcC&hl=&source=gbs_api