Ovidiu Vermesan, Peter Friess, Patrick Guillemin, Harald Sundmaeker, Markus Eisenhauer, Klaus Moessner, Franck Le Gall, Philippe Cousin, Internet of Things  Strategic Research and Innovation Agenda, Chapter 3 in Internet of Things: Converging Technologies for Smart Environments and Integrated Ecosystems (Book River Publishers’ Series in Information Science and Technology) May 2013, ISBN-13: 978-8792982735