(1985). Catalogue 1985: Equipment for soil research. The Netherland: EijKelkamp.
シカゴスタイル引用形Catalogue 1985: Equipment for Soil Research. The Netherland: EijKelkamp, 1985.
MLA引用形式Catalogue 1985: Equipment for Soil Research. The Netherland: EijKelkamp, 1985.
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