Gerrits, S. (1997). Effects of landuse and weathering on available nutrients in volcanic ash soils of Costa Rica: A comparative study.
シカゴスタイル引用形Gerrits, S. Effects of Landuse and Weathering On Available Nutrients in Volcanic Ash Soils of Costa Rica: A Comparative Study. 1997.
MLA引用形式Gerrits, S. Effects of Landuse and Weathering On Available Nutrients in Volcanic Ash Soils of Costa Rica: A Comparative Study. 1997.
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