Sign on
1999PhDT........15L Author Comment Author comment for 1999PhDT........15L:

The full text of this article is available from the author's home institution at the URL: http://www.astroscu.unam.mx/~vale/PhD_Thesis/index_PhDthesis.html

Author comment submitted 15-Jul-2001 by Valentina Luridiana (vluridia@eso.org)