| article html file updated | 30 August 2025 00:11 CEST | Update | https://www.mdpi.com/2071-1050/9/1/77 |
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| article xml uploaded. | 8 January 2017 06:15 CET | Update | https://www.mdpi.com/2071-1050/9/1/77/xml |
| article pdf uploaded. | 8 January 2017 06:15 CET | Version of Record | https://www.mdpi.com/2071-1050/9/1/77/pdf |
