1. Albert, M.L., and Obler, L.K. (1978).The Bilingual Brain: Neuropsychological and Neurolinguistic Aspects of Bilingualism. New York: Academic Press.
2. Bernal y del Rio, V. (1984). The "real" similarities and differences in the psychoanalytic dyad.J. Am. Acad. Psychoanal., 12: 31?41.
3. D�az, S. (1980). Caballo Viejo (Old Horse).Golpe y Pasaje?Sim�n D�az. MC-66479. Caracas, Venezuela: El Palacio de la M�sica, S.A.
4. D�az de Chumaceiro, C.L. (1985). La evocaci�n de canciones: Una t�cnica diagn�stica y psicoterap�utica (The evocation of songs: A diagnostic and psychotherapeutic technique). Paper presented at the XX Interamerican Congress of Psychology, July 8, 1985, Caracas, Venezuela.
5. D�az de Chumaceiro, C.L. (1987). Induced Song Recall: A Diagnostic and Psychotherapeutic Technique. Doctoral dissertation. The Union for Experimenting Colleges and Universities, Cincinnati, Ohio.Dissertation Abstracts International, vol. 49/03-B, p. 911, 1988.University Microfilms International, Order No. 88-07026, 1988.