Por último, gracias a todos los amigos y familia que me han apoyado, preguntando con sincero interés por el avance de la tesis y posibilitándome horas de estudio. v ACKNOWLEDGEMENTS P art of this thesis was developed within HEFESTO project, partially funded by the European Regional Development Fund (ERDF) and the Spanish Ministerio de Economía y Competitividad, through its CDTI (Centro para el Desarrollo Tecnológico industrial) with project number ITC-20151126. vii
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