Ringqvist, L. (2000). Peat as a metal trap for wastewater. Swedish University of Agricultural Sciences.
Citace podle Chicago (17th ed.)Ringqvist, Lena. Peat as a Metal Trap for Wastewater. Umeå: Swedish University of Agricultural Sciences, 2000.
Citace podle MLA (8th ed.)Ringqvist, Lena. Peat as a Metal Trap for Wastewater. Swedish University of Agricultural Sciences, 2000.
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