Blum, U. (2011). Plant-plant allelopathic interactions: Phenolic acids, cover crops and weed emergence. Springer Science+Business Media.
Chicago-tyylinen lähdeviittausBlum, Udo. Plant-plant Allelopathic Interactions: Phenolic Acids, Cover Crops and Weed Emergence. New York: Springer Science+Business Media, 2011.
MLA-viiteBlum, Udo. Plant-plant Allelopathic Interactions: Phenolic Acids, Cover Crops and Weed Emergence. Springer Science+Business Media, 2011.
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