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1Published 1978“...Energy and agriculture ;...”
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5Published 1979“...Energy and agriculture....”
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10Published 1982“...Energy and agriculture....”
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11Published 1981“...Energy and agriculture....”
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12Published 1981“...Energy and agriculture....”
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13Published 1982“...Energy and agriculture....”
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15Published 1979“...Energy and agriculture....”
Microform Book