Main Sacred Plants in South America By Ana María Llamazares and Carlos Martínez Sarasola with the collaboration of Florencia Funes. Originally published in Llamazares & Martínez Sarasola (Eds.) El lenguaje de los dioses. pp.259-285.as “Principales plantas sagradas de Sudamérica”. Buenos Aires, Editorial Biblos, 2004. Translation revised by Ana Paula Morales.
Carlos Castaneda, Through Infinity (hacer link al archivo pdf) by Carlos Martínez Sarasola. Originally published in Lea, 7: pp. 18-20 as “Carlos Castaneda, A Través del Infinito”. Buenos Aires, 2000. Translation by Pablo Figueroa.