Potera, C. (2008). Fuels: Corn Ethanol Goal Revives Dead Zone Concerns. National Institute of Environmental Health Sciences.
Παραπομπή Chicago StylePotera, Carol. Fuels: Corn Ethanol Goal Revives Dead Zone Concerns. National Institute of Environmental Health Sciences, 2008.
Παραπομπή MLAPotera, Carol. Fuels: Corn Ethanol Goal Revives Dead Zone Concerns. National Institute of Environmental Health Sciences, 2008.
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