Matches in Library of Congress for { ?s ?p Digital communications Economic aspects.. }
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- 2005295949 subject "Digital communications Economic aspects.".
- 2006033669 subject "Digital communications Economic aspects.".
- 2007000149 subject "Digital communications Economic aspects.".
- 2007429603 subject "Digital communications Economic aspects.".
- 2009011081 subject "Digital communications Economic aspects.".