| article html file updated | 6 February 2020 08:32 CET | Update | https://www.mdpi.com/1660-4601/11/4/3972 |
| article html file updated | 20 September 2019 07:18 CEST | Update | N/A |
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| article xml file uploaded | 14 August 2014 11:43 CEST | Update | https://www.mdpi.com/1660-4601/11/4/3972/xml |
| article html file updated | 14 August 2014 11:22 CEST | Update | N/A |
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| article html file updated | 27 May 2014 12:35 CEST | Original file | N/A |
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| article pdf uploaded. | 10 April 2014 15:03 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/4/3972/pdf |