r-Archive Interface Methodology Abstract Standard.  Recommendation for 
Space Data System Standards, CCSDS 651.0-M-1.  Magenta Book.  Issue 1.  
Washington, D.C.: CCSDS, May 2004. 
[B5] XML 
Formatted 
Data 
Unit 
(XFDU) 
Structure 
and 
Construction 
Rules.  
Recommendation for Space Data System Standards, CCSDS 661.0-B-1.  Blue Book.  
Issue 1.  Washington, D.C.: CCSDS, September 2008. 
[B6] The Data Description Language EAST Specification (CCSD0010).  Recommendation 
for Space Data System Standards, CCSD