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- Language: English
- Year: 2010
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- Language: English
- Year: 2016
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- Year: 2006
- Author: Gary D. Libecap, Marie Thursby
- Language: English
- Year: 2008
- Author: Albert N. Link, John T. Scott
- Language: English
- Year: 2012
- Author: National Academy of Engineering, Committee on Time Horizons and Technology Investments
- Language: English
- Year: 1992
- Author: Harvey Brooks, Bruce R. Guile
- Language: English
- Year: 1987
- Author: National Academy of Engineering, National Academy of Engineering, National Academy of Sciences
- Language: English
- Year: 1991
- Author: Zhihong Yi, Barbara Cao
- Language: English
- Year: 2012