| article html file updated | 30 August 2025 08:31 CEST | Update | https://www.mdpi.com/2227-9032/6/4/129 |
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| article html file updated | 26 December 2018 20:55 CET | Update | - |
| article html file updated | 19 November 2018 05:24 CET | Original file | - |
| article pdf uploaded. | 19 November 2018 05:23 CET | Updated version of record | https://www.mdpi.com/2227-9032/6/4/129/pdf |
| article xml uploaded. | 19 November 2018 05:23 CET | Update | https://www.mdpi.com/2227-9032/6/4/129/xml |
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| article pdf uploaded. | 5 November 2018 16:00 CET | Updated version of record | https://www.mdpi.com/2227-9032/6/4/129/pdf-vor |
| article pdf uploaded. | 5 November 2018 15:44 CET | Version of Record | https://www.mdpi.com/2227-9032/6/4/129/pdf-vor |
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