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Journal Paper No. J-8389 of the Iowa Agricultural and Home Economics Station Project No. 21021.
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Heady, E.O., Nagadevara, V.S.S.V. Impacts of state land use and environmental regulations. Water Air Soil Pollut 5, 453–468 (1976). https://doi.org/10.1007/BF00280846
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DOI: https://doi.org/10.1007/BF00280846