2010.11.08 14:23 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a1.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a1.pdf 2010.11.08 14:23 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a2.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a2.pdf 2010.11.08 14:24 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a3.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a3.pdf 2010.11.08 14:24 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a4.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a4.pdf 2010.11.08 14:25 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a5.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a5.pdf 2010.11.08 14:26 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a6.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a6.pdf 2010.11.08 14:26 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a7.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a7.pdf 2010.11.08 14:27 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a8.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a8.pdf 2010.11.08 14:27 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a9.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a9.pdf 2010.11.08 14:27 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a10.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a10.pdf 2010.11.08 14:28 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a11.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a11.pdf 2010.11.08 14:28 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a12.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a12.pdf 2010.11.08 14:28 B C:\SciELO\web\htdocs\pdf\umbr\n20\n20n20a13.pdf --> www.scielo.org.bo /pdf/umbr/n20 n20n20a13.pdf