frameworks. B. Metz; et al (编). Framing issues.. Climate Change 2007: Mitigation. Contribution of Working Group III to the Fourth Assessment Report of the Intergovernmental
(原始内容存档于2020-11-15). Questions to Department of Homeland Security April 19, 2011. [2011-12-19]. (原始内容存档于2021-03-14). Cade Metz. Google settles illegal drug ad probe
investigations of all matters coming within the jurisdiction of the committee, August 15, 1965. 美国哥伦比亚特区: U.S. Govt. Print. Off. : 25. OCLC 6528864 (英语). Metz, Helen
[2019-01-26]. (原始内容存档于2016-01-30). Metz, Cade. In Major AI Breakthrough, Google System Secretly Beats Top Player at the Ancient Game of Go. WIRED. 2016-01-27 [2016-02-01]