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 Fernando Gonzales-Reigoso
 
 Spielberger, Charles D.; Gonzales-Reigoso, Fernando; Martínez-Urrutia, Ángel C.; Natalicio, Luiz F. S.; Natalicio, Diana S. (1971): Development of the Spanish edition of the State-Trait Anxiety Inventory [Development of the Spanish edition of the State-Trait Anxiety Inventory]. R. interam. Psicol. 5(3-4), 145-158 (eng.).