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Urbanization and mining: a case study of Michigan
Campbell, Gary A.; Roberts, Mark - In: Resources policy 29 (2003) 1, pp. 49-60
Persistent link: https://www.econbiz.de/10007651876
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The response of US copper companies to changing market conditions
Campbell, Gary A. - In: Resources policy 15 (1989) 4, pp. 321-337
Persistent link: https://www.econbiz.de/10001074842
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Diversification or specialization : the role of risk
Campbell, Gary A. - In: Resources policy 16 (1990) 4, pp. 293-306
Persistent link: https://www.econbiz.de/10001097048
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Permitting a new mine: Insights from the community debate
Campbell, Gary; Roberts, Mark - In: Resources policy 35 (2010) 3, pp. 210-218
Persistent link: https://www.econbiz.de/10008446381