| article html file updated | 5 February 2020 19:05 CET | Update | https://www.mdpi.com/1422-8599/2012/1/M747 |
| article html file updated | 8 May 2019 21:02 CEST | Update | - |
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| article xml uploaded. | 26 September 2017 07:45 CEST | Update | https://www.mdpi.com/1422-8599/2012/1/M747/xml |
| article html file updated | 25 September 2017 04:23 CEST | Update | - |
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| article html file updated | 14 December 2016 11:59 CET | Original file | - |
