LAREDO, A.; CLAUSTRE JANÉ, M. .; MITJAVILA, M. .; PLA, E.; PI, M.; RUIZ, G.; DOMÈNECH, E.; VIÑAS, F. Temperamental Dimension and Anxiety Problems in a Clinical Sample of Three- to Six-year old Children: A Study of Variables. The Spanish Journal of Psychology, v. 10, n. 2, p. 399–407, 1 Jan.2007.