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Challenges 2011, 2(1), 1-18; doi:10.3390/challe2010001
Notes on Article Versions
| Note | Date |
|---|---|
| article html file updated | 22 January 2013 09:08 CET |
| article html file updated | 26 January 2013 00:43 CET |
| article html file updated | 28 January 2013 21:02 CET |
| article html file updated | 5 February 2013 23:30 CET |
| article html file updated | 6 February 2013 19:36 CET |
Challenges
EISSN 2078-1547
Published by MDPI AG, Basel, Switzerland
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