Electronic coverage as of Oct. 20, 2006: vol. 8/9, no. 1 y 2 (1997/8)-
Text in Spanish, summaries in English.
Description based on: Vol. 8/9, no. 1 y 2 (1997/8); title from journal home page (viewed Oct. 20, 2006).
Latest issue consulted: Vol. 21, no. 1 (2010).