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The heavy oil resources of the United States
Nehring, Richard Frederick - 1983
Persistent link: https://www.econbiz.de/10000784347
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The outlook for conventional petroleum resources
Nehring, Richard - 1979
Persistent link: https://www.econbiz.de/10000010432
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The discovery of significant oil and gas fields in the United States
Nehring, Richard - 1981
Persistent link: https://www.econbiz.de/10000094688
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The discovery of significant oil and gas fields in the United States ; [1]
Nehring, Richard - 1981
Persistent link: https://www.econbiz.de/10000094689