
- Author: National Research Council, Board on Agriculture, Committee on Animal Nutrition, National Academy of Sciences
- Language: English
- Year: 1997

- Author: Institute of Medicine, National Academy of Engineering, National Academy of Sciences, and Public Policy Engineering Committee on Science, Steve Olson, Tom Arrison
- Language: English
- Year: 2012

- Author: National Academy of Engineering, National Academy of Sciences
- Language: English
- Year: 2007