diff --git a/.gitignore b/.gitignore
index 8faf60c..71c176f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@ other/
 *.iso2709
 .idea/
 *.tar*
+*.zip
+revistas/
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7a9d6d5
--- /dev/null
+++ b/README.md
@@ -0,0 +1,10 @@
+# Uso
+
+```
+PERL_MM_OPT="INSTALL_BASE=$HOME/perl5" cpan local::lib
+sudo perl -MCPAN -e 'install -force MARC::File::USMARC'
+sudo perl -MCPAN -e 'install -force MARC::Crosswalk::DublinCore'
+sudo perl -MCPAN -e 'o conf init pushy_https'
+cpan MARC::File::USMARC
+cpan MARC::Crosswalk::DublinCore
+```