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Challenges 2011, 2(4), 73-93; doi:10.3390/challe2040073
Notes on Article Versions
| Note | Date |
|---|---|
| article html file updated | 23 January 2013 01:18 CET |
| article html file updated | 26 January 2013 05:58 CET |
| article html file updated | 29 January 2013 00:24 CET |
| article html file updated | 6 February 2013 03:07 CET |
| article html file updated | 6 February 2013 23:18 CET |
Challenges
EISSN 2078-1547
Published by MDPI AG, Basel, Switzerland
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