| article html file updated | 30 August 2025 05:15 CEST | Update | https://www.mdpi.com/2079-6374/8/3/68 |
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| article html file updated | 16 July 2018 10:05 CEST | Original file | - |
| article pdf uploaded. | 16 July 2018 10:04 CEST | Updated version of record | https://www.mdpi.com/2079-6374/8/3/68/pdf |
| article xml uploaded. | 16 July 2018 10:04 CEST | Update | https://www.mdpi.com/2079-6374/8/3/68/xml |
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| article pdf uploaded. | 13 July 2018 15:30 CEST | Updated version of record | https://www.mdpi.com/2079-6374/8/3/68/pdf-vor |
| article pdf uploaded. | 13 July 2018 15:29 CEST | Version of Record | https://www.mdpi.com/2079-6374/8/3/68/pdf-vor |
| article xml file uploaded | 13 July 2018 15:29 CEST | Original file | - |
