| article html file updated | 12 August 2026 17:28 CEST | Update | https://www.mdpi.com/2079-7737/1/3/857 |
| article html file updated | 5 February 2020 23:23 CET | Update | N/A |
| article html file updated | 8 May 2019 11:10 CEST | Update | N/A |
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| article xml file uploaded | 14 August 2014 11:40 CEST | Update | https://www.mdpi.com/2079-7737/1/3/857/xml |
| article html file updated | 14 August 2014 11:20 CEST | Update | N/A |
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| article html file updated | 28 April 2014 10:25 CEST | Update | N/A |
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| article html file updated | 7 February 2013 17:23 CET | Update | N/A |
| article html file updated | 24 January 2013 10:59 CET | Original file | N/A |
