| article html file updated | 30 August 2025 10:03 CEST | Update | https://www.mdpi.com/2076-3271/6/4/118 |
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| article html file updated | 26 December 2018 22:28 CET | Update | - |
| article html file updated | 19 December 2018 10:58 CET | Original file | - |
| article pdf uploaded. | 19 December 2018 10:56 CET | Updated version of record | https://www.mdpi.com/2076-3271/6/4/118/pdf |
| article xml uploaded. | 19 December 2018 10:56 CET | Update | https://www.mdpi.com/2076-3271/6/4/118/xml |
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| article pdf uploaded. | 17 December 2018 18:53 CET | Updated version of record | https://www.mdpi.com/2076-3271/6/4/118/pdf-vor |
| article pdf uploaded. | 17 December 2018 18:30 CET | Version of Record | https://www.mdpi.com/2076-3271/6/4/118/pdf-vor |
| article xml file uploaded | 17 December 2018 18:30 CET | Original file | - |
