La caixa de la preservació digital <a href="http://blogs.loc.gov/digitalpreservation/2012/07/digital-preservation-in-a-box-have-a-look-inside/">http://blogs.loc.gov/digitalpreservation/2012/07/digital-preservation-in-a-box-have-a-look-inside/</a><br>
<br>Raf<br>