| article html file updated | 30 August 2025 03:16 CEST | Update | https://www.mdpi.com/2072-666X/9/4/156 |
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| article pdf uploaded. | 20 April 2018 07:26 CEST | Updated version of record | https://www.mdpi.com/2072-666X/9/4/156/pdf |
| article html file updated | 30 March 2018 11:47 CEST | Update | N/A |
| article xml uploaded. | 30 March 2018 11:46 CEST | Update | https://www.mdpi.com/2072-666X/9/4/156/xml |
| article pdf uploaded. | 30 March 2018 11:46 CEST | Updated version of record | https://www.mdpi.com/2072-666X/9/4/156/pdf-vor |
| article html file updated | 30 March 2018 10:01 CEST | Update | N/A |
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| article html file updated | 30 March 2018 09:37 CEST | Original file | N/A |
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