title: Energy returns on ethanol production.
authors.forename: Nathan
authors.initials: N
authors.lastname: Hagens
authors.forename: Robert
authors.initials: R
authors.lastname: Costanza
authors.forename: Kenneth
authors.initials: K
authors.lastname: Mulder
mesh_terms: D018556:Crops, Agricultural; D017753:Ecosystem; D004736:Energy-Generating Resources; D004777:Environment; D000431:Ethanol; D005579:Fossil Fuels; D003313:Zea mays
chemical_list: D005579:Fossil Fuels; D000431:Ethanol