María Auxiliadora de Vicente, María Rocío Guede, Francisco José Blanco Jiménez, Alberto Romero. Innovation Efficiency In Spain: An Analysis By Activity Branch. In Javier Otamendi, Andrzej Bargiela, José Luis Isla Montes, Luis Miguel Doncel Pedrera, editors, European Conference on Modelling and Simulation, ECMS 2009, Madrid, Spain, June 9-12, 2009. pages 493-499, European Council for Modeling and Simulation, 2009. [doi]
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