参考文献

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藤巻晴行，井上光弘，山本太平，冨樫　敬. 1999
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農業土木学会論文集. 201. 頁数未定

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Hydraulic properties of a sandy soil at low water contents
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ニューメリカル･レシピ・イン･シー
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（Marquadt法のサブル-チンとそれに関する説明）

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van Genuchten, M.Th. 1980
A closed-form equation for predicting the hydraulic conductivity of unsaturated soils
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Zurmuhl, T and W.Durner. 1998
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