1. A. M. Turing. (1950).Computing Machinery and Intelligence. Revista Mind, New Series, Volumen 59, Issue 236, p445.
2. A. M. Turing. (1936). On Computable Numbers, With an Application to the Entscheidungsproblem, Proceedings of the London Mathematical Society, p259.
3. Broady A, (2010). Herramientas de colaboracion informal para los equipos globales de desarrollo de software Informal. IBM. Recovered the 3 of October 2011, in http://www.ibm.com/developerworks/ssa/rational/library/09/informalcollaborationtoolsforglobalsoftwaredevelopmentteams/index.html.
4. Booch G, (2007). The promise. The limits. The beauty of software. IBM. [PowerPoint slides]. Retrieved from csta.acm.org/Resources/sub/ResourceFiles/Booch_Lecture.ppt.
5. Copeland J. and Proudfoot D. (1999). Alan Turing's Forgotten Ideas on Computer Science. Scientific American, Canterbury, New Zealand, plO2.