Copyright \copyright\ 2000-2004 Simone Piccardi. Permission is granted to
copy, distribute and/or modify this document under the terms of the GNU Free
Documentation License, Version 1.1 or any later version published by the
Copyright \copyright\ 2000-2004 Simone Piccardi. Permission is granted to
copy, distribute and/or modify this document under the terms of the GNU Free
Documentation License, Version 1.1 or any later version published by the