| article html file updated | 29 August 2025 22:46 CEST | Update | https://www.mdpi.com/1996-1073/9/3/140 |
| article html file updated | 16 July 2022 01:52 CEST | Update | N/A |
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| article html file updated | 30 March 2016 12:09 CEST | Original file | N/A |
| article pdf uploaded. | 27 February 2016 12:21 CET | Version of Record | https://www.mdpi.com/1996-1073/9/3/140/pdf |
| article xml uploaded. | 27 February 2016 12:21 CET | Original file | https://www.mdpi.com/1996-1073/9/3/140/xml |
