| article html file updated | 5 February 2020 20:09 CET | Update | https://www.mdpi.com/1420-3049/17/4/4651 |
| article html file updated | 12 September 2019 06:53 CEST | Update | - |
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| article html file updated | 17 September 2018 07:16 CEST | Update | - |
| article html file updated | 16 June 2015 23:21 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/1420-3049/17/4/4651/xml |
| article html file updated | 7 February 2013 11:53 CET | Update | - |
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| article html file updated | 29 January 2013 02:56 CET | Update | - |
| article html file updated | 26 January 2013 09:53 CET | Update | - |
| article html file updated | 23 January 2013 15:49 CET | Original file | - |
