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Challenges 2012, 3(2), 233-260; doi:10.3390/challe3020233
Notes on Article Versions
| Note | Date |
|---|---|
| article html file updated | 24 January 2013 07:23 CET |
| article html file updated | 7 February 2013 16:27 CET |
Challenges
EISSN 2078-1547
Published by MDPI AG, Basel, Switzerland
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