- Author: Ann Dale, Jenny Onyx
- Language: English
- Year: 2005
- Author: National Academy of Engineering, Committee on Time Horizons and Technology Investments
- Language: English
- Year: 1992
- Author: Guillermo A. Calvo
- Language: English
- Year: 2005
- Author: Cathleen Burnett
- Language: English
- Year: 2010
- Author: Jason H. Sussman
- Language: English
- Year: 2007
- Author: Herman M. Schwartz
- Language: English
- Year: 2011
- Author: David J. Teece
- Language: English
- Year: 2001
- Author: Essvale Corporation Limited
- Language: English
- Year: 2010