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| article html file updated | 30 August 2025 01:04 CEST | Update | N/A |
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| article xml uploaded. | 31 August 2017 05:41 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1291/xml |
| article pdf uploaded. | 31 August 2017 05:41 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1291/pdf |
| article pdf uploaded. | 29 August 2017 11:35 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1291/pdf-vor |
