1. A subgroup of the Global Grid Forum, see
http://www.gridforum.org/.
2. http://www.globus.org/
3. http://www.nag.co.uk/Welcome_IEC.html
4. For information on the GIS, the reader is referred to
http://www.globus.org/mds/
5. http://www.globus.org/v1.1/io/globus_io.html