| article html file updated | 6 February 2020 01:58 CET | Update | https://www.mdpi.com/1422-0067/14/5/9873 |
| article html file updated | 8 May 2019 05:25 CEST | Update | - |
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| article html file updated | 25 July 2013 15:12 CEST | Update | - |
| article xml file uploaded | 25 July 2013 15:11 CEST | Update | https://www.mdpi.com/1422-0067/14/5/9873/xml |
| article html file updated | 10 June 2013 09:14 CEST | Original file | - |
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| article pdf uploaded. | 8 May 2013 13:26 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/5/9873/pdf |