| article html file updated | 23 October 2025 06:20 CEST | Update | https://www.mdpi.com/2076-2615/4/3/515 |
| article html file updated | 6 February 2020 11:34 CET | Update | - |
| article html file updated | 21 March 2019 23:20 CET | Update | - |
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| article xml file uploaded | 24 November 2014 08:51 CET | Update | https://www.mdpi.com/2076-2615/4/3/515/xml |
| article html file updated | 29 September 2014 08:54 CEST | Original file | - |
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| article pdf uploaded. | 20 August 2014 16:15 CEST | Updated version of record | https://www.mdpi.com/2076-2615/4/3/515/pdf |
| article pdf uploaded. | 19 August 2014 11:02 CEST | Version of Record | https://www.mdpi.com/2076-2615/4/3/515/pdf-vor |
