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National Science Board (April 2002) Science and Engineering Indicators, Chapter 7, "Science and Technology: Public Attitudes and Public Understanding" – "Science Fiction and Pseudoscience"Archiválva2016. április 25-i dátummal a Wayback Machine-ben (Arlington, Virginia: National Science Foundation Directorate for Social, Behavioral and Economic Sciences)
National Science Board (April 2002) Science and Engineering Indicators, Chapter 7, "Science and Technology: Public Attitudes and Public Understanding" – "Science Fiction and Pseudoscience"Archiválva2016. április 25-i dátummal a Wayback Machine-ben (Arlington, Virginia: National Science Foundation Directorate for Social, Behavioral and Economic Sciences)