The Proceedings of the 4ESHS have been published on line. You can access them through the link below.
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Proceedings of the 4ESHS (PDF file, 19.98 MB, 1198 pages)
Full citation reference:
ROCA-ROSELL, A. (ed.) (2012). The Circulation of Science and Technology: Proceedings of the 4th International Conference of the ESHS, Barcelona, 18-20 November 2010. Barcelona: SCHCT-IEC. ISBN: 978-84-9965-108-8.