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Star, Susan Leigh. "This Is Not a Boundary Object: Reflections on the Origin of a Concept." Science, Technology & Human Values 35, no. 5 (2010): 601-17.
http://sth.sagepub.com/content/35/5/601
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Twists and Textures: p. 191:
"Changing definitions, local arrangements, and complex relations of all three trajectories contribute to 'torquing' the typology-topology via the dotted lines, which represent negotiations." (190)
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Bowker, G.C., & Star, S.L. 1999. Sorting things out: classification and its consequences. MIT.