| article html file updated | 29 August 2025 20:59 CEST | Update | https://www.mdpi.com/2079-9276/3/1/248 |
| article html file updated | 15 July 2022 22:54 CEST | Update | - |
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| article xml file uploaded | 24 June 2014 12:24 CEST | Original file | https://www.mdpi.com/2079-9276/3/1/248/xml |
| article pdf uploaded. | 24 March 2014 18:34 CET | Updated version of record | https://www.mdpi.com/2079-9276/3/1/248/pdf |
| article pdf uploaded. | 6 March 2014 09:47 CET | Version of Record | https://www.mdpi.com/2079-9276/3/1/248/pdf-vor |
