--- a/laser-disk.rst	Wed Nov 02 12:00:03 2016 +0200
+++ b/laser-disk.rst	Sat Nov 05 17:15:46 2016 +0200
@@ -183,3 +183,16 @@
   http://www.cdburnerxp.se/ru/home
                 home page
 
+MDF to ISO
+==========
+::
+
+  $ sudo apt-get install mdf2iso
+  $ mdf2iso $IN.mdf
+
+NRG to ISO
+==========
+::
+
+  $ sudo apt-get install nrg2iso
+  $ nrg2iso  $IN.nrg $OUT.iso