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hans jacob bull berg
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American international oil policy
Hans Jacob Bull-Berg · F. Pinter
209 sayfa · 1987
Economic policy / Foreign economic relations / Government policy / National security / Petroleum industry and trade
Restoring the oil-smeared eagle
Hans Jacob Bull-Berg · Fridtjof Nansen Institute at Polhøgda
307 sayfa · 1984
Government policy / Petroleum industry and trade