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Advisor: Simón Martín, Fernando Issued date: 2016 Tesis doctoral
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Advisor: Montoya-Alonso, JA ; Simón Martín, Fernando Issued date: 2013 Tesis doctoral
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Advisor: Arencibia Espinosa, Alberto ; Vázquez Autón, José María Issued date: 2001 Tesis doctoral
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Advisor: Gracia Molina, Anselmo Issued date: 1996 Tesis doctoral
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