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Soils of the Mount Kulal Marsabit Area
A. J. Van Kekem
其他書名
(quarter Degree Sheets 41,42,43,54 and 55)
出版Kenya Soil Survey [1986?], 1986
URLhttp://books.google.com.hk/books?id=waQonQEACAAJ&hl=&source=gbs_api