Krippendorff, Klaus2023-05-222023-05-2219732022-06-09https://repository.upenn.edu/handle/20.500.14332/2519This is an article published by Taylor & Frances in Journal of Cybernetics in 1973, available online http://www.tandfonline.com/10.1080/01969727308546044CommunicationSocial and Behavioral SciencesArticle