| article html file updated | 29 August 2025 21:12 CEST | Update | https://www.mdpi.com/1999-4915/6/8/3181 |
| article html file updated | 15 July 2022 23:19 CEST | Update | - |
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| article xml file uploaded | 29 August 2014 03:20 CEST | Update | https://www.mdpi.com/1999-4915/6/8/3181/xml |
| article html file updated | 26 August 2014 03:46 CEST | Original file | - |
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| article pdf uploaded. | 20 August 2014 10:01 CEST | Updated version of record | https://www.mdpi.com/1999-4915/6/8/3181/pdf |
| article pdf uploaded. | 19 August 2014 14:41 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/8/3181/pdf-vor |
