Review: Wiebe E. Bijker, Thomas P. Hughes and Trevor Pinch, eds: The Social Construction of Technological Systems. 2nd edition. MIT Press: Cambridge, MA, 2012. 425 pages. Sergio Sismondo: An Introduction to Science and Technology Studies. 2nd edition. Wiley-Blackwell: Chichester, West-Sussex, 2010. 244 pages. Revisión