Tohutoro APA (7th ed.)
Energy Subcommitee of the Midwest Plan Service. Low Temperature and Solar Grain Drying Handbook. Midwest Plan Service.
Tohutoru Kātū Chicago (17th ed.)
Energy Subcommitee of the Midwest Plan Service. Low Temperature and Solar Grain Drying Handbook. Iowa, EUA: Midwest Plan Service.
Tohutoro MLA (9th ed.)
Energy Subcommitee of the Midwest Plan Service. Low Temperature and Solar Grain Drying Handbook. Midwest Plan Service.
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