José Barateiro Gonçalo Antunes Manuel Cabral José Luis Borbinha Rodrigo Rodrigues Digital Preservation of Scientific Data. 388-391 2008 ECDL http://dx.doi.org/10.1007/978-3-540-87599-4_41 conf/ercimdl/2008 db/conf/ercimdl/ecdl2008.html#BarateiroACBR08