| article html file updated | 5 February 2020 21:00 CET | Update | https://www.mdpi.com/2073-4395/2/3/132 |
| article html file updated | 8 May 2019 16:51 CEST | Update | - |
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| article html file updated | 17 June 2015 00:48 CEST | Update | - |
| article html file updated | 7 February 2013 13:18 CET | Update | - |
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| article html file updated | 1 February 2013 10:49 CET | Update | - |
| article xml uploaded. | 1 February 2013 10:48 CET | Update | https://www.mdpi.com/2073-4395/2/3/132/xml |
| article html file updated | 29 January 2013 05:05 CET | Update | - |
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| article html file updated | 23 January 2013 21:11 CET | Update | - |
| article html file updated | 21 January 2013 11:20 CET | Original file | - |
| article xml uploaded. | 21 January 2013 11:19 CET | Original file | - |
