search query: @author Helm, C. / total: 2
references: 1-2 / 2
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title | year | author | ||
1. |
Journal of Environmental Economics and Management
2009 : NOV, VOL. 58:3, p. 266-280 |
2009 | Carbone, J.C. Helm, C. Rutherford, T.F. |
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2. |
Journal of Public Economics
2003 : DEC, VOL. 87:12, p. 2737-2747 |
2003 | Helm, C. |
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