| article html file updated | 12 August 2026 19:05 CEST | Update | https://www.mdpi.com/2072-6643/5/4/1456 |
| article html file updated | 6 February 2020 01:40 CET | Update | N/A |
| article html file updated | 8 May 2019 06:00 CEST | Update | N/A |
| article html file updated | 20 March 2019 21:23 CET | Update | N/A |
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| article html file updated | 30 April 2013 09:35 CEST | Original file | N/A |
| article xml uploaded. | 30 April 2013 09:35 CEST | Original file | https://www.mdpi.com/2072-6643/5/4/1456/xml |
| article pdf uploaded. | 23 April 2013 16:58 CEST | Updated version of record | https://www.mdpi.com/2072-6643/5/4/1456/pdf |
| article pdf uploaded. | 22 April 2013 14:29 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/4/1456/pdf-vor |
