| article html file updated | 30 August 2025 02:29 CEST | Update | https://www.mdpi.com/2076-3263/8/2/49 |
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| article xml uploaded. | 5 February 2018 03:59 CET | Update | https://www.mdpi.com/2076-3263/8/2/49/xml |
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| article pdf uploaded. | 5 February 2018 03:59 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/2/49/pdf |
| article pdf uploaded. | 4 February 2018 02:33 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/2/49/pdf-vor |
| article html file updated | 2 February 2018 12:38 CET | Original file | N/A |
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