| article html file updated | 29 August 2025 21:03 CEST | Update | https://www.mdpi.com/2218-1989/4/2/300 |
| article html file updated | 15 July 2022 23:02 CEST | Update | N/A |
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| article html file updated | 18 July 2014 03:58 CEST | Original file | N/A |
| article xml file uploaded | 18 July 2014 03:58 CEST | Original file | https://www.mdpi.com/2218-1989/4/2/300/xml |
| article supplementary file uploaded. | 9 May 2014 13:25 CEST | - | https://www.mdpi.com/2218-1989/4/2/300#supplementary |
| article pdf uploaded. | 9 May 2014 13:25 CEST | Version of Record | https://www.mdpi.com/2218-1989/4/2/300/pdf |
