| article html file updated | 30 August 2025 00:19 CEST | Update | https://www.mdpi.com/2304-6732/4/1/7 |
| article html file updated | 16 July 2022 04:43 CEST | Update | N/A |
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| article pdf uploaded. | 13 February 2017 07:49 CET | Updated version of record | https://www.mdpi.com/2304-6732/4/1/7/pdf |
| article pdf uploaded. | 31 January 2017 11:38 CET | Version of Record | https://www.mdpi.com/2304-6732/4/1/7/pdf-vor |
