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== Referensi ==
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* [http://edis.ifas.ufl.edu/SS169 Soil Texture] {{Webarchive|url=https://web.archive.org/web/20080612114614/http://edis.ifas.ufl.edu/SS169 |date=2008-06-12 }}, by R. B. Brown, University of Florida, Institute of Food and Agricultural Sciences.
* Atterberg A (1905) Die rationalle Klassifikation der Sande und Kiese. Chemiker Zeitung 29, 195-198.
* Davis ROE, Bennett HH (1927) "Grouping of soils on the basis of mechanical analysis." United States Department of Agriculture Departmental Circulation No. 419.
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